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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable20Member_lbl" xml:lang="en-US">Convertible Notes Payable 20 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable21Member_lbl" xml:lang="en-US">Convertible Notes Payable 21 [Member]</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotesPayable22Member" xlink:to="SFOR_ConvertibleNotesPayable22Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable22Member_lbl" xml:lang="en-US">Convertible Notes Payable 22 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable23Member_lbl" xml:lang="en-US">Convertible Notes Payable 23 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable24Member_lbl" xml:lang="en-US">Convertible Notes Payable 24 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable25Member_lbl" xml:lang="en-US">Convertible Notes Payable 25 [Member]</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotesPayable26Member" xlink:to="SFOR_ConvertibleNotesPayable26Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable26Member_lbl" xml:lang="en-US">Convertible Notes Payable 26 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable27Member_lbl" xml:lang="en-US">Convertible Notes Payable 27 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable28Member_lbl" xml:lang="en-US">Convertible Notes Payable 28 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable29Member_lbl" xml:lang="en-US">Convertible Notes Payable 29 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable30Member_lbl" xml:lang="en-US">Convertible Notes Payable 30 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable31Member_lbl" xml:lang="en-US">Convertible Notes Payable 31 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable32Member_lbl" xml:lang="en-US">Convertible Notes Payable 32 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable33Member_lbl" xml:lang="en-US">Convertible Notes Payable 33 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayable34Member_lbl" xml:lang="en-US">Convertible Notes Payable 34 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayableRelatedPartiesMember_lbl" xml:lang="en-US">Convertible Notes Payable Related Parties [Member]</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotesPayableRelatedParties1Member" xlink:to="SFOR_ConvertibleNotesPayableRelatedParties1Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayableRelatedParties1Member_lbl" xml:lang="en-US">Convertible Notes Payable Related Parties 1 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayableRelatedParties2Member_lbl" xml:lang="en-US">Convertible Notes Payable Related Parties 2 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayableRelatedParties3Member_lbl" xml:lang="en-US">Convertible Notes Payable Related Parties 3 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayableRelatedParties4Member_lbl" xml:lang="en-US">Convertible Notes Payable Related Parties 4 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayableRelatedParties5Member_lbl" xml:lang="en-US">Convertible Notes Payable Related Parties 5 [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_NotesPayableRelatedParties6Member_lbl" xml:lang="en-US">Notes Payable Related Parties 6 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DerivativeWarrantsAssetsLiabilityMember" xlink:label="SFOR_DerivativeWarrantsAssetsLiabilityMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DerivativeWarrantsAssetsLiabilityMember" xlink:to="SFOR_DerivativeWarrantsAssetsLiabilityMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DerivativeWarrantsAssetsLiabilityMember_lbl" xml:lang="en-US">Derivative Warrants Assets (Liability)</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SecuredConvertibleNotesMember" xlink:label="SFOR_SecuredConvertibleNotesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SecuredConvertibleNotesMember" xlink:to="SFOR_SecuredConvertibleNotesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SecuredConvertibleNotesMember_lbl" xml:lang="en-US">Secured Convertible Notes [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="us-gaap_FairValueByLiabilityClassAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByLiabilityClassAxis" xlink:to="us-gaap_FairValueByLiabilityClassAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByLiabilityClassAxis_lbl" xml:lang="en-US">Liability Class [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_UnsecuredConvertibleNotesMember" xlink:label="SFOR_UnsecuredConvertibleNotesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_UnsecuredConvertibleNotesMember" xlink:to="SFOR_UnsecuredConvertibleNotesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_UnsecuredConvertibleNotesMember_lbl" xml:lang="en-US">Unsecured Convertible Notes [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_TonaquintWarrantsMember" xlink:label="SFOR_TonaquintWarrantsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_TonaquintWarrantsMember" xlink:to="SFOR_TonaquintWarrantsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_TonaquintWarrantsMember_lbl" xml:lang="en-US">Tonaquint Warrants [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredClassBMember" xlink:label="us-gaap_PreferredClassBMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredClassBMember" xlink:to="us-gaap_PreferredClassBMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredClassBMember_lbl" xml:lang="en-US">Series B Preferred stock [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisablePriceRangeMember" xlink:label="SFOR_ExercisablePriceRangeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeMember" xlink:to="SFOR_ExercisablePriceRangeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisablePriceRangeMember_lbl" xml:lang="en-US">Exercisable Price $0.03 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US">Award Type [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisablePriceRangeOneMember" xlink:label="SFOR_ExercisablePriceRangeOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeOneMember" xlink:to="SFOR_ExercisablePriceRangeOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisablePriceRangeOneMember_lbl" xml:lang="en-US">Exercisable Price $0.045 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisablePriceRangeTwoMember" xlink:label="SFOR_ExercisablePriceRangeTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeTwoMember" xlink:to="SFOR_ExercisablePriceRangeTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisablePriceRangeTwoMember_lbl" xml:lang="en-US">Exercisable Price $0.135 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisablePriceRangeThreeMember" xlink:label="SFOR_ExercisablePriceRangeThreeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeThreeMember" xlink:to="SFOR_ExercisablePriceRangeThreeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisablePriceRangeThreeMember_lbl" xml:lang="en-US">Exercisable Price $0.21 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisablePriceRangeFourMember" xlink:label="SFOR_ExercisablePriceRangeFourMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeFourMember" xlink:to="SFOR_ExercisablePriceRangeFourMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisablePriceRangeFourMember_lbl" xml:lang="en-US">Exercisable Price $0.22 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisablePriceRangeFiveMember" xlink:label="SFOR_ExercisablePriceRangeFiveMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeFiveMember" xlink:to="SFOR_ExercisablePriceRangeFiveMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisablePriceRangeFiveMember_lbl" xml:lang="en-US">Exercisable Price $0.32 [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeMember" xlink:to="SFOR_ExercisablePriceRangeMember_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ExercisablePriceRangeMember_2_lbl" xml:lang="en-US">Exercisable Price $19.50 [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeOneMember" xlink:to="SFOR_ExercisablePriceRangeOneMember_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ExercisablePriceRangeOneMember_2_lbl" xml:lang="en-US">Exercisable Price $29.25 [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeTwoMember" xlink:to="SFOR_ExercisablePriceRangeTwoMember_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ExercisablePriceRangeTwoMember_2_lbl" xml:lang="en-US">Exercisable Price $87.75 [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeThreeMember" xlink:to="SFOR_ExercisablePriceRangeThreeMember_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ExercisablePriceRangeThreeMember_2_lbl" xml:lang="en-US">Exercisable Price $136.50 [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeFourMember" xlink:to="SFOR_ExercisablePriceRangeFourMember_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ExercisablePriceRangeFourMember_2_lbl" xml:lang="en-US">Exercisable Price $143.00 [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisablePriceRangeFiveMember" xlink:to="SFOR_ExercisablePriceRangeFiveMember_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ExercisablePriceRangeFiveMember_2_lbl" xml:lang="en-US">Exercisable Price $208.00 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumMember" xlink:to="us-gaap_MinimumMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinimumMember_lbl" xml:lang="en-US">Minimum [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RangeAxis_lbl" xml:lang="en-US">Range [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumMember" xlink:to="us-gaap_MaximumMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MaximumMember_lbl" xml:lang="en-US">Maximum [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisePricesOneMember" xlink:label="SFOR_ExercisePricesOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisePricesOneMember" xlink:to="SFOR_ExercisePricesOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisePricesOneMember_lbl" xml:lang="en-US">Exercise Prices $9,750,000 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisePricesTwoMember" xlink:label="SFOR_ExercisePricesTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisePricesTwoMember" xlink:to="SFOR_ExercisePricesTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisePricesTwoMember_lbl" xml:lang="en-US">Exercise Prices $695-312,000 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisePricesThreeMember" xlink:label="SFOR_ExercisePricesThreeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisePricesThreeMember" xlink:to="SFOR_ExercisePricesThreeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisePricesThreeMember_lbl" xml:lang="en-US">Exercise Prices $695 - $9,750,000 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CommonStockForServicesMember" xlink:label="SFOR_CommonStockForServicesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonStockForServicesMember" xlink:to="SFOR_CommonStockForServicesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CommonStockForServicesMember_lbl" xml:lang="en-US">Issuance of Common Stock for Services [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CommonStockForFinancingMember" xlink:label="SFOR_CommonStockForFinancingMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonStockForFinancingMember" xlink:to="SFOR_CommonStockForFinancingMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CommonStockForFinancingMember_lbl" xml:lang="en-US">Issuance of Common Stock for Financing [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AdarBaysMember" xlink:label="SFOR_AdarBaysMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AdarBaysMember" xlink:to="SFOR_AdarBaysMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AdarBaysMember_lbl" xml:lang="en-US">Adar Bays [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherMember" xlink:label="SFOR_AsherMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherMember" xlink:to="SFOR_AsherMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherMember_lbl" xml:lang="en-US">Asher [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AuctusMember" xlink:label="SFOR_AuctusMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AuctusMember" xlink:to="SFOR_AuctusMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AuctusMember_lbl" xml:lang="en-US">Auctus [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_BlackArchMember" xlink:label="SFOR_BlackArchMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_BlackArchMember" xlink:to="SFOR_BlackArchMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_BlackArchMember_lbl" xml:lang="en-US">Black Arch [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_GelMember" xlink:label="SFOR_GelMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_GelMember" xlink:to="SFOR_GelMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_GelMember_lbl" xml:lang="en-US">GEL [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IconicMember" xlink:label="SFOR_IconicMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IconicMember" xlink:to="SFOR_IconicMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IconicMember_lbl" xml:lang="en-US">Iconic [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_JmjMember" xlink:label="SFOR_JmjMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_JmjMember" xlink:to="SFOR_JmjMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_JmjMember_lbl" xml:lang="en-US">JMJ [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_JsjMember" xlink:label="SFOR_JsjMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_JsjMember" xlink:to="SFOR_JsjMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_JsjMember_lbl" xml:lang="en-US">JSJ [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_LgMember" xlink:label="SFOR_LgMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_LgMember" xlink:to="SFOR_LgMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_LgMember_lbl" xml:lang="en-US">LG [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_TarponMember" xlink:label="SFOR_TarponMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_TarponMember" xlink:to="SFOR_TarponMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_TarponMember_lbl" xml:lang="en-US">Tarpon [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_TonaquintMember" xlink:label="SFOR_TonaquintMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_TonaquintMember" xlink:to="SFOR_TonaquintMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_TonaquintMember_lbl" xml:lang="en-US">Tonaquint [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WhcMember" xlink:label="SFOR_WhcMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WhcMember" xlink:to="SFOR_WhcMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WhcMember_lbl" xml:lang="en-US">WHC [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IcgMember" xlink:label="SFOR_IcgMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IcgMember" xlink:to="SFOR_IcgMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IcgMember_lbl" xml:lang="en-US">ICG [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SouthridgeMember" xlink:label="SFOR_SouthridgeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SouthridgeMember" xlink:to="SFOR_SouthridgeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SouthridgeMember_lbl" xml:lang="en-US">Southridge [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_FinancingAcquiringServicesMember" xlink:label="SFOR_FinancingAcquiringServicesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_FinancingAcquiringServicesMember" xlink:to="SFOR_FinancingAcquiringServicesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_FinancingAcquiringServicesMember_lbl" xml:lang="en-US">Financing and Acquiring Services [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_NonEmployeesMember" xlink:label="SFOR_NonEmployeesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NonEmployeesMember" xlink:to="SFOR_NonEmployeesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_NonEmployeesMember_lbl" xml:lang="en-US">Non-employees [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xml:lang="en-US">Related Party [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_NonEmployeesOneMember" xlink:label="SFOR_NonEmployeesOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NonEmployeesOneMember" xlink:to="SFOR_NonEmployeesOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_NonEmployeesOneMember_lbl" xml:lang="en-US">Non-employees One [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_NonEmployeesTwoMember" xlink:label="SFOR_NonEmployeesTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NonEmployeesTwoMember" xlink:to="SFOR_NonEmployeesTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_NonEmployeesTwoMember_lbl" xml:lang="en-US">Non-employees Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_January32013Member" xlink:label="SFOR_January32013Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_January32013Member" xlink:to="SFOR_January32013Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_January32013Member_lbl" xml:lang="en-US">January 3, 2013 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockOptionMember" xlink:label="us-gaap_StockOptionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionMember" xlink:to="us-gaap_StockOptionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockOptionMember_lbl" xml:lang="en-US">Stock Options [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisePricesFourMember" xlink:label="SFOR_ExercisePricesFourMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisePricesFourMember" xlink:to="SFOR_ExercisePricesFourMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisePricesFourMember_lbl" xml:lang="en-US">Exercise Prices $975,000 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisePricesFiveMember" xlink:label="SFOR_ExercisePricesFiveMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisePricesFiveMember" xlink:to="SFOR_ExercisePricesFiveMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisePricesFiveMember_lbl" xml:lang="en-US">Exercise Prices $2,437.50-365,625 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisePricesSixMember" xlink:label="SFOR_ExercisePricesSixMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisePricesSixMember" xlink:to="SFOR_ExercisePricesSixMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisePricesSixMember_lbl" xml:lang="en-US">Exercise Prices $2242.5 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisePricesSevenMember" xlink:label="SFOR_ExercisePricesSevenMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisePricesSevenMember" xlink:to="SFOR_ExercisePricesSevenMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisePricesSevenMember_lbl" xml:lang="en-US">Exercise Prices $2,242.50-9,750,000 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IincentivePlanMember" xlink:label="SFOR_IincentivePlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IincentivePlanMember" xlink:to="SFOR_IincentivePlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IincentivePlanMember_lbl" xml:lang="en-US">2004 Incentive plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PlanNameAxis_lbl" xml:lang="en-US">Plan Name [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_StockIncentivePlanMember" xlink:label="SFOR_StockIncentivePlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_StockIncentivePlanMember" xlink:to="SFOR_StockIncentivePlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_StockIncentivePlanMember_lbl" xml:lang="en-US">2012 Stock Incentive Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CustomerAMember" xlink:label="SFOR_CustomerAMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CustomerAMember" xlink:to="SFOR_CustomerAMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CustomerAMember_lbl" xml:lang="en-US">Customer A [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CustomerBMember" xlink:label="SFOR_CustomerBMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CustomerBMember" xlink:to="SFOR_CustomerBMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CustomerBMember_lbl" xml:lang="en-US">Customer B [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CustomerCMember" xlink:label="SFOR_CustomerCMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CustomerCMember" xlink:to="SFOR_CustomerCMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CustomerCMember_lbl" xml:lang="en-US">Customer C [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CustomerDMember" xlink:label="SFOR_CustomerDMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CustomerDMember" xlink:to="SFOR_CustomerDMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CustomerDMember_lbl" xml:lang="en-US">Customer D [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CustomerEMember" xlink:label="SFOR_CustomerEMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CustomerEMember" xlink:to="SFOR_CustomerEMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CustomerEMember_lbl" xml:lang="en-US">Customer E [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CustomerFMember" xlink:label="SFOR_CustomerFMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CustomerFMember" xlink:to="SFOR_CustomerFMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CustomerFMember_lbl" xml:lang="en-US">Customer F [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_KBMMember" xlink:label="SFOR_KBMMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_KBMMember" xlink:to="SFOR_KBMMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_KBMMember_lbl" xml:lang="en-US">KBM [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_UnionMember" xlink:label="SFOR_UnionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_UnionMember" xlink:to="SFOR_UnionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_UnionMember_lbl" xml:lang="en-US">Union [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_VistaMember" xlink:label="SFOR_VistaMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_VistaMember" xlink:to="SFOR_VistaMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_VistaMember_lbl" xml:lang="en-US">Vista [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_KleiMember" xlink:label="SFOR_KleiMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_KleiMember" xlink:to="SFOR_KleiMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_KleiMember_lbl" xml:lang="en-US">Klei [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WhcOneMember" xlink:label="SFOR_WhcOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WhcOneMember" xlink:to="SFOR_WhcOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WhcOneMember_lbl" xml:lang="en-US">WHC One [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherOneMember" xlink:label="SFOR_AsherOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherOneMember" xlink:to="SFOR_AsherOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherOneMember_lbl" xml:lang="en-US">Asher One [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherTwoMember" xlink:label="SFOR_AsherTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherTwoMember" xlink:to="SFOR_AsherTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherTwoMember_lbl" xml:lang="en-US">Asher Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherThreeMember" xlink:label="SFOR_AsherThreeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherThreeMember" xlink:to="SFOR_AsherThreeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherThreeMember_lbl" xml:lang="en-US">Asher Three [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherFourMember" xlink:label="SFOR_AsherFourMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherFourMember" xlink:to="SFOR_AsherFourMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherFourMember_lbl" xml:lang="en-US">Asher Four [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherFiveMember" xlink:label="SFOR_AsherFiveMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherFiveMember" xlink:to="SFOR_AsherFiveMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherFiveMember_lbl" xml:lang="en-US">Asher Five [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherSixMember" xlink:label="SFOR_AsherSixMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherSixMember" xlink:to="SFOR_AsherSixMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherSixMember_lbl" xml:lang="en-US">Asher Six [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherSevenMember" xlink:label="SFOR_AsherSevenMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherSevenMember" xlink:to="SFOR_AsherSevenMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherSevenMember_lbl" xml:lang="en-US">Asher Seven [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherEightMember" xlink:label="SFOR_AsherEightMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherEightMember" xlink:to="SFOR_AsherEightMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherEightMember_lbl" xml:lang="en-US">Asher Eight [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherNineMember" xlink:label="SFOR_AsherNineMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherNineMember" xlink:to="SFOR_AsherNineMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherNineMember_lbl" xml:lang="en-US">Asher Nine [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AsherTenMember" xlink:label="SFOR_AsherTenMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AsherTenMember" xlink:to="SFOR_AsherTenMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AsherTenMember_lbl" xml:lang="en-US">Asher Ten [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AuctusOneMember" xlink:label="SFOR_AuctusOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AuctusOneMember" xlink:to="SFOR_AuctusOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AuctusOneMember_lbl" xml:lang="en-US">Auctus One [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AuctusTwoMember" xlink:label="SFOR_AuctusTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AuctusTwoMember" xlink:to="SFOR_AuctusTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AuctusTwoMember_lbl" xml:lang="en-US">Auctus Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IconicOneMember" xlink:label="SFOR_IconicOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IconicOneMember" xlink:to="SFOR_IconicOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IconicOneMember_lbl" xml:lang="en-US">Iconic One [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IconicTwoMember" xlink:label="SFOR_IconicTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IconicTwoMember" xlink:to="SFOR_IconicTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IconicTwoMember_lbl" xml:lang="en-US">Iconic Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IconicThreeMember" xlink:label="SFOR_IconicThreeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IconicThreeMember" xlink:to="SFOR_IconicThreeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IconicThreeMember_lbl" xml:lang="en-US">Iconic Three [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IconicFourMember" xlink:label="SFOR_IconicFourMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IconicFourMember" xlink:to="SFOR_IconicFourMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IconicFourMember_lbl" xml:lang="en-US">Iconic Four [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SouthridgeOneMember" xlink:label="SFOR_SouthridgeOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SouthridgeOneMember" xlink:to="SFOR_SouthridgeOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SouthridgeOneMember_lbl" xml:lang="en-US">Southridge One [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SouthridgeTwoMember" xlink:label="SFOR_SouthridgeTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SouthridgeTwoMember" xlink:to="SFOR_SouthridgeTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SouthridgeTwoMember_lbl" xml:lang="en-US">Southridge Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DocumentAndEntityInformationAbstract" xlink:label="SFOR_DocumentAndEntityInformationAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DocumentAndEntityInformationAbstract" xlink:to="SFOR_DocumentAndEntityInformationAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US">Document And Entity Information</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US">Entity Registrant Name</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US">Entity Central Index Key</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentType" xlink:label="dei_DocumentType" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentType_lbl" xml:lang="en-US">Document Type</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US">Document Period End Date</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US">Amendment Flag</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US">Current Fiscal Year End Date</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xml:lang="en-US">Is Entity a Well-known Seasoned Issuer?</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="dei_EntityVoluntaryFilers_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityVoluntaryFilers_lbl" xml:lang="en-US">Is Entity a Voluntary Filer?</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US">Is Entity's Reporting Status Current?</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US">Entity Filer Category</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityPublicFloat_lbl" xml:lang="en-US">Entity Public Float</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US">Document Fiscal Period Focus</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US">Document Fiscal Year Focus</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US">Assets [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US">Current Assets:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Cash" xlink:label="us-gaap_Cash" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Cash" xlink:to="us-gaap_Cash_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Cash_lbl" xml:lang="en-US">Cash</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US">Accounts receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xml:lang="en-US">Prepayments and other current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US">Total current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US">Property and equipment, net</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PatentsNet" xlink:label="SFOR_PatentsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PatentsNet" xlink:to="SFOR_PatentsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PatentsNet_lbl" xml:lang="en-US">Patents, net</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers" xlink:label="us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers" xlink:to="us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers_lbl" xml:lang="en-US">Website development costs, net</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SecurityDeposit" xlink:label="us-gaap_SecurityDeposit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecurityDeposit" xlink:to="us-gaap_SecurityDeposit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SecurityDeposit_lbl" xml:lang="en-US">Security deposit</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US">Total Assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US">LIABILITIES AND STOCKHOLDERS' DEFICIT</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US">Current Liabilities:</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_Currentmaturitiesofconvertiblenotespayablenet1" xlink:label="SFOR_Currentmaturitiesofconvertiblenotespayablenet1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_Currentmaturitiesofconvertiblenotespayablenet1" xlink:to="SFOR_Currentmaturitiesofconvertiblenotespayablenet1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_Currentmaturitiesofconvertiblenotespayablenet1_lbl" xml:lang="en-US">Current maturities of convertible notes payable, net</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConvertibleNotesPayableRelatedParties" xlink:label="SFOR_ConvertibleNotesPayableRelatedParties" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotesPayableRelatedParties" xlink:to="SFOR_ConvertibleNotesPayableRelatedParties_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayableRelatedParties_lbl" xml:lang="en-US">Convertible notes payable - related parties</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CurrentMaturitiesOfNotesPayableNet1" xlink:label="SFOR_CurrentMaturitiesOfNotesPayableNet1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CurrentMaturitiesOfNotesPayableNet1" xlink:to="SFOR_CurrentMaturitiesOfNotesPayableNet1_lbl" xlink:type="arc" />
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NotesPayableRelatedPartiesClassifiedCurrent" xlink:label="us-gaap_NotesPayableRelatedPartiesClassifiedCurrent" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NotesPayableRelatedPartiesClassifiedCurrent_lbl" xml:lang="en-US">Notes payable - related parties</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableCurrent" xlink:to="us-gaap_AccountsPayableCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US">Accounts payable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedLiabilitiesCurrent" xlink:to="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xml:lang="en-US">Accrued expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="us-gaap_DerivativeLiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesCurrent" xlink:to="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xml:lang="en-US">Derivative liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConvertibleSecuredNotesPayable1" xlink:label="SFOR_ConvertibleSecuredNotesPayable1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleSecuredNotesPayable1" xlink:to="SFOR_ConvertibleSecuredNotesPayable1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleSecuredNotesPayable1_lbl" xml:lang="en-US">Convertible secured notes payables</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeaseObligationsCurrent" xlink:label="us-gaap_CapitalLeaseObligationsCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligationsCurrent" xlink:to="us-gaap_CapitalLeaseObligationsCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeaseObligationsCurrent_lbl" xml:lang="en-US">Capital leases payable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedPayrollTaxesCurrent" xlink:label="us-gaap_AccruedPayrollTaxesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedPayrollTaxesCurrent" xlink:to="us-gaap_AccruedPayrollTaxesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedPayrollTaxesCurrent_lbl" xml:lang="en-US">Payroll taxes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_GarnishmentWithheld1" xlink:label="SFOR_GarnishmentWithheld1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_GarnishmentWithheld1" xlink:to="SFOR_GarnishmentWithheld1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_GarnishmentWithheld1_lbl" xml:lang="en-US">Garnishment withheld</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DueToFactor" xlink:label="SFOR_DueToFactor" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DueToFactor" xlink:to="SFOR_DueToFactor_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DueToFactor_lbl" xml:lang="en-US">Due to factor</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US">Total current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrentAbstract" xlink:to="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xml:lang="en-US">Non-current Liabilities:</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CommonStockToBeIssued" xlink:label="SFOR_CommonStockToBeIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonStockToBeIssued" xlink:to="SFOR_CommonStockToBeIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CommonStockToBeIssued_lbl" xml:lang="en-US">Common stock to be issued</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConvertibleLongTermNotesPayable" xlink:label="us-gaap_ConvertibleLongTermNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConvertibleLongTermNotesPayable" xlink:to="us-gaap_ConvertibleLongTermNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConvertibleLongTermNotesPayable_lbl" xml:lang="en-US">Convertible notes payable, net of current maturities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="us-gaap_LiabilitiesNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrent" xlink:to="us-gaap_LiabilitiesNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xml:lang="en-US">Total non-current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US">Total Liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xml:lang="en-US">Commitments and contingencies</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US">Stockholders' Deficit</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US">Series A Preferred stock, no par value; 100 shares authorized; 3 shares issued and outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SeriesBPreferredStock" xlink:label="SFOR_SeriesBPreferredStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SeriesBPreferredStock" xlink:to="SFOR_SeriesBPreferredStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SeriesBPreferredStock_lbl" xml:lang="en-US">Series B Preferred stock par value $0.10: 100,000,000 shares authorized; 142,004 and 0 shares issued and outstanding, respectively</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockSeriesNotDesignatedParValue01010000000SharesAuthorizedNoneIssuedOrOutstanding" xlink:label="SFOR_PreferredStockSeriesNotDesignatedParValue01010000000SharesAuthorizedNoneIssuedOrOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockSeriesNotDesignatedParValue01010000000SharesAuthorizedNoneIssuedOrOutstanding" xlink:to="SFOR_PreferredStockSeriesNotDesignatedParValue01010000000SharesAuthorizedNoneIssuedOrOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockSeriesNotDesignatedParValue01010000000SharesAuthorizedNoneIssuedOrOutstanding_lbl" xml:lang="en-US">Preferred stock series not designated par value $0.10: 10,000,000 shares authorized; none issued or outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US">Common stock par value $0.0001: 3,000,000,000 shares authorized; 2,453,522 and 3,566 shares issued and outstanding, respectively</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapital" xlink:to="us-gaap_AdditionalPaidInCapital_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xml:lang="en-US">Additional paid-in capital</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US">Accumulated deficit</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US">Total Stockholders' Deficit</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US">Total Liabilities and Stockholders' Deficit</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_StatementBalanceSheetsParentheticalAbstract" xlink:label="SFOR_StatementBalanceSheetsParentheticalAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_StatementBalanceSheetsParentheticalAbstract" xlink:to="SFOR_StatementBalanceSheetsParentheticalAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_StatementBalanceSheetsParentheticalAbstract_lbl" xml:lang="en-US">Balance Sheets Parenthetical</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Preferred Stock Series A, no par value</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xml:lang="en-US">Preferred Stock Series A, shares authorized</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesIssued" xlink:to="us-gaap_PreferredStockSharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xml:lang="en-US">Preferred Stock Series A, shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US">Preferred Stock Series A, shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockSeriesBParValue" xlink:label="SFOR_PreferredStockSeriesBParValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockSeriesBParValue" xlink:to="SFOR_PreferredStockSeriesBParValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockSeriesBParValue_lbl" xml:lang="en-US">Preferred Stock Series B, par value</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockSeriesBSharesAuthorized" xlink:label="SFOR_PreferredStockSeriesBSharesAuthorized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockSeriesBSharesAuthorized" xlink:to="SFOR_PreferredStockSeriesBSharesAuthorized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockSeriesBSharesAuthorized_lbl" xml:lang="en-US">Preferred Stock Series B, shares authorized</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockSeriesBSharesIssued" xlink:label="SFOR_PreferredStockSeriesBSharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockSeriesBSharesIssued" xlink:to="SFOR_PreferredStockSeriesBSharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockSeriesBSharesIssued_lbl" xml:lang="en-US">Preferred Stock Series B, shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockSeriesBSharesOutstanding" xlink:label="SFOR_PreferredStockSeriesBSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockSeriesBSharesOutstanding" xlink:to="SFOR_PreferredStockSeriesBSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockSeriesBSharesOutstanding_lbl" xml:lang="en-US">Preferred Stock Series B, shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockUndesignatedParOrStatedValue" xlink:label="SFOR_PreferredStockUndesignatedParOrStatedValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockUndesignatedParOrStatedValue" xlink:to="SFOR_PreferredStockUndesignatedParOrStatedValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockUndesignatedParOrStatedValue_lbl" xml:lang="en-US">Preferred Stock, par or stated value</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockUndesignatedSharesAuthorized" xlink:label="SFOR_PreferredStockUndesignatedSharesAuthorized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockUndesignatedSharesAuthorized" xlink:to="SFOR_PreferredStockUndesignatedSharesAuthorized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockUndesignatedSharesAuthorized_lbl" xml:lang="en-US">Preferred Stock, shares authorized</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockUndesignatedSharesIssued" xlink:label="SFOR_PreferredStockUndesignatedSharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockUndesignatedSharesIssued" xlink:to="SFOR_PreferredStockUndesignatedSharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockUndesignatedSharesIssued_lbl" xml:lang="en-US">Preferred Stock, shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockUndesignatedSharesOutstanding" xlink:label="SFOR_PreferredStockUndesignatedSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockUndesignatedSharesOutstanding" xlink:to="SFOR_PreferredStockUndesignatedSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockUndesignatedSharesOutstanding_lbl" xml:lang="en-US">Preferred Stock, shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Common Stock, par or stated value</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US">Common Stock, shares authorized</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US">Common Stock, shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US">Common Stock, shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_StatementStatementsOfOperationsAbstract" xlink:label="SFOR_StatementStatementsOfOperationsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_StatementStatementsOfOperationsAbstract" xlink:to="SFOR_StatementStatementsOfOperationsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_StatementStatementsOfOperationsAbstract_lbl" xml:lang="en-US">Statements Of Operations</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US">Revenue</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="us-gaap_CostOfRevenue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfRevenue" xlink:to="us-gaap_CostOfRevenue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfRevenue_lbl" xml:lang="en-US">Cost of revenue</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrossProfit" xlink:to="us-gaap_GrossProfit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_GrossProfit_lbl" xml:lang="en-US">Gross margin</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xml:lang="en-US">Operating expenses:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalariesAndWages" xlink:label="us-gaap_SalariesAndWages" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalariesAndWages" xlink:to="us-gaap_SalariesAndWages_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalariesAndWages_lbl" xml:lang="en-US">Compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="us-gaap_ProfessionalFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfessionalFees" xlink:to="us-gaap_ProfessionalFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfessionalFees_lbl" xml:lang="en-US">Professional fees</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US">Selling, general and administrative expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpense" xlink:to="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US">Research and development</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingExpenses_lbl" xml:lang="en-US">Total operating expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US">Loss from operations</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US">Other (income) expense:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US">Interest and financing expense</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInDerivativeLiabilities" xlink:label="us-gaap_IncreaseDecreaseInDerivativeLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDerivativeLiabilities" xlink:to="us-gaap_IncreaseDecreaseInDerivativeLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInDerivativeLiabilities_lbl" xml:lang="en-US">Change in fair value of derivative liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ForgivenessOfDebt1" xlink:label="SFOR_ForgivenessOfDebt1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ForgivenessOfDebt1" xlink:to="SFOR_ForgivenessOfDebt1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="SFOR_ForgivenessOfDebt1_lbl" xml:lang="en-US">Forgiveness of debt</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNonoperatingExpense" xlink:label="us-gaap_OtherNonoperatingExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingExpense" xlink:to="us-gaap_OtherNonoperatingExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherNonoperatingExpense_lbl" xml:lang="en-US">Other (income) expense, net</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Income tax provision</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net loss</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="us-gaap_EarningsPerShareBasicAndDiluted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAndDiluted" xlink:to="us-gaap_EarningsPerShareBasicAndDiluted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasicAndDiluted_lbl" xml:lang="en-US">Net loss per common share - basic and diluted</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:to="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl" xml:lang="en-US">Weighted average common shares outstanding - basic and diluted</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US">Statement [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl" xml:lang="en-US">Statement [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StatementEquityComponentsAxis_2_lbl" xml:lang="en-US">Equity Components [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharesOutstanding_lbl" xml:lang="en-US">Beginning Balance, Shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquity_2_lbl" xml:lang="en-US">Beginning Balance, Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SaleOfSharesOfSeriesBPreferredStockShares" xlink:label="SFOR_SaleOfSharesOfSeriesBPreferredStockShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SaleOfSharesOfSeriesBPreferredStockShares" xlink:to="SFOR_SaleOfSharesOfSeriesBPreferredStockShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SaleOfSharesOfSeriesBPreferredStockShares_lbl" xml:lang="en-US">Sale of shares of series B preferred stock, Shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SaleOfSharesOfSeriesBPreferredStockAmount" xlink:label="SFOR_SaleOfSharesOfSeriesBPreferredStockAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SaleOfSharesOfSeriesBPreferredStockAmount" xlink:to="SFOR_SaleOfSharesOfSeriesBPreferredStockAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SaleOfSharesOfSeriesBPreferredStockAmount_lbl" xml:lang="en-US">Sale of shares of series B preferred stock, Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockDiscountDueToConvertibleFeatures" xlink:label="SFOR_PreferredStockDiscountDueToConvertibleFeatures" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockDiscountDueToConvertibleFeatures" xlink:to="SFOR_PreferredStockDiscountDueToConvertibleFeatures_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockDiscountDueToConvertibleFeatures_lbl" xml:lang="en-US">Preferred stock discount due to convertible features</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfSharesOfCommonStockAndWarrantsForConsultingServicesShares" xlink:label="SFOR_IssuanceOfSharesOfCommonStockAndWarrantsForConsultingServicesShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfSharesOfCommonStockAndWarrantsForConsultingServicesShares" xlink:to="SFOR_IssuanceOfSharesOfCommonStockAndWarrantsForConsultingServicesShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfSharesOfCommonStockAndWarrantsForConsultingServicesShares_lbl" xml:lang="en-US">Issuance of shares of common stock and warrants for consulting services, Shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfSharesOfCommonStockAndWarrantsForConsultingServicesAmount" xlink:label="SFOR_IssuanceOfSharesOfCommonStockAndWarrantsForConsultingServicesAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfSharesOfCommonStockAndWarrantsForConsultingServicesAmount" xlink:to="SFOR_IssuanceOfSharesOfCommonStockAndWarrantsForConsultingServicesAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfSharesOfCommonStockAndWarrantsForConsultingServicesAmount_lbl" xml:lang="en-US">Issuance of shares of common stock and warrants for consulting services, Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfSharesOfCommonStockForConversionsOfConvertibleNotesPayableShares" xlink:label="SFOR_IssuanceOfSharesOfCommonStockForConversionsOfConvertibleNotesPayableShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfSharesOfCommonStockForConversionsOfConvertibleNotesPayableShares" xlink:to="SFOR_IssuanceOfSharesOfCommonStockForConversionsOfConvertibleNotesPayableShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfSharesOfCommonStockForConversionsOfConvertibleNotesPayableShares_lbl" xml:lang="en-US">Issuance of shares of common stock for conversions of convertible notes payable, Shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfSharesOfCommonStockForConversionsOfConvertibleNotesPayableAmount" xlink:label="SFOR_IssuanceOfSharesOfCommonStockForConversionsOfConvertibleNotesPayableAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfSharesOfCommonStockForConversionsOfConvertibleNotesPayableAmount" xlink:to="SFOR_IssuanceOfSharesOfCommonStockForConversionsOfConvertibleNotesPayableAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfSharesOfCommonStockForConversionsOfConvertibleNotesPayableAmount_lbl" xml:lang="en-US">Issuance of shares of common stock for conversions of convertible notes payable, Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfCommonSharesInConnectionWithExerciseOfWarrantsshares" xlink:label="SFOR_IssuanceOfCommonSharesInConnectionWithExerciseOfWarrantsshares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfCommonSharesInConnectionWithExerciseOfWarrantsshares" xlink:to="SFOR_IssuanceOfCommonSharesInConnectionWithExerciseOfWarrantsshares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfCommonSharesInConnectionWithExerciseOfWarrantsshares_lbl" xml:lang="en-US">Issuance of common shares in connection with the exercise of warrants,Shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfCommonSharesInConnectionWithExerciseOfWarrantsAmount" xlink:label="SFOR_IssuanceOfCommonSharesInConnectionWithExerciseOfWarrantsAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfCommonSharesInConnectionWithExerciseOfWarrantsAmount" xlink:to="SFOR_IssuanceOfCommonSharesInConnectionWithExerciseOfWarrantsAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfCommonSharesInConnectionWithExerciseOfWarrantsAmount_lbl" xml:lang="en-US">Issuance of common shares in connection with the exercise of warrants, Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ReclassificationOfDerivativeLiabilitiesDueToConversionOfConvertibleNotes" xlink:label="SFOR_ReclassificationOfDerivativeLiabilitiesDueToConversionOfConvertibleNotes" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ReclassificationOfDerivativeLiabilitiesDueToConversionOfConvertibleNotes" xlink:to="SFOR_ReclassificationOfDerivativeLiabilitiesDueToConversionOfConvertibleNotes_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ReclassificationOfDerivativeLiabilitiesDueToConversionOfConvertibleNotes_lbl" xml:lang="en-US">Reclassification of derivative liabilities due to conversion of convertible notes</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfSharesOfCommonStockForConsultingServicesShares" xlink:label="SFOR_IssuanceOfSharesOfCommonStockForConsultingServicesShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfSharesOfCommonStockForConsultingServicesShares" xlink:to="SFOR_IssuanceOfSharesOfCommonStockForConsultingServicesShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfSharesOfCommonStockForConsultingServicesShares_lbl" xml:lang="en-US">Issuance of shares of common stock for consulting services, Shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfSharesOfCommonStockForConsultingServicesAmount" xlink:label="SFOR_IssuanceOfSharesOfCommonStockForConsultingServicesAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfSharesOfCommonStockForConsultingServicesAmount" xlink:to="SFOR_IssuanceOfSharesOfCommonStockForConsultingServicesAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfSharesOfCommonStockForConsultingServicesAmount_lbl" xml:lang="en-US">Issuance of shares of common stock for consulting services, Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfWarrantsForConsultingServices" xlink:label="SFOR_IssuanceOfWarrantsForConsultingServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfWarrantsForConsultingServices" xlink:to="SFOR_IssuanceOfWarrantsForConsultingServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfWarrantsForConsultingServices_lbl" xml:lang="en-US">Issuance of warrants for consulting services</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfWarrantsInConnectionWithNotesPayableToLender" xlink:label="SFOR_IssuanceOfWarrantsInConnectionWithNotesPayableToLender" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfWarrantsInConnectionWithNotesPayableToLender" xlink:to="SFOR_IssuanceOfWarrantsInConnectionWithNotesPayableToLender_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfWarrantsInConnectionWithNotesPayableToLender_lbl" xml:lang="en-US">Issuance of warrants in connection with notes payable to the lender</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfStockOptionsForEmployeeServices" xlink:label="SFOR_IssuanceOfStockOptionsForEmployeeServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfStockOptionsForEmployeeServices" xlink:to="SFOR_IssuanceOfStockOptionsForEmployeeServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfStockOptionsForEmployeeServices_lbl" xml:lang="en-US">Issuance of stock options for employee services</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfSeriesPreferredStockForEmployeeServices" xlink:label="SFOR_IssuanceOfSeriesPreferredStockForEmployeeServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfSeriesPreferredStockForEmployeeServices" xlink:to="SFOR_IssuanceOfSeriesPreferredStockForEmployeeServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfSeriesPreferredStockForEmployeeServices_lbl" xml:lang="en-US">Issuance of Series A preferred stock for employee services</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfStockOptionsForPatent" xlink:label="SFOR_IssuanceOfStockOptionsForPatent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfStockOptionsForPatent" xlink:to="SFOR_IssuanceOfStockOptionsForPatent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfStockOptionsForPatent_lbl" xml:lang="en-US">Issuance of stock options for patent</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_2_lbl" xml:lang="en-US">Net loss</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharesOutstanding_2_lbl" xml:lang="en-US">Ending Balance, Shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquity_3_lbl" xml:lang="en-US">Ending Balance, Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_StatementStatementsOfCashFlowsAbstract" xlink:label="SFOR_StatementStatementsOfCashFlowsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_StatementStatementsOfCashFlowsAbstract" xlink:to="SFOR_StatementStatementsOfCashFlowsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_StatementStatementsOfCashFlowsAbstract_lbl" xml:lang="en-US">Statements Of Cash Flows</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from operating activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US">Net loss</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Adjustments to reconcile net loss to net cash used in operating activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="us-gaap_DepreciationAndAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAndAmortization" xlink:to="us-gaap_DepreciationAndAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xml:lang="en-US">Depreciation and amortization</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfDebtDiscountPremium" xlink:to="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xml:lang="en-US">Amortization of discount on notes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ForgivenessOfDebt" xlink:label="SFOR_ForgivenessOfDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ForgivenessOfDebt" xlink:to="SFOR_ForgivenessOfDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ForgivenessOfDebt_lbl" xml:lang="en-US">Forgiveness of debt</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ChangeInFairValueOfDerivativeFinancialInstruments" xlink:label="SFOR_ChangeInFairValueOfDerivativeFinancialInstruments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ChangeInFairValueOfDerivativeFinancialInstruments" xlink:to="SFOR_ChangeInFairValueOfDerivativeFinancialInstruments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ChangeInFairValueOfDerivativeFinancialInstruments_lbl" xml:lang="en-US">Change in fair value of derivative financial instruments</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices" xlink:label="SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices" xlink:to="SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices_lbl" xml:lang="en-US">Issuance of stock options for employee services</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfCommonStockAndWarrantsForConsultingServices" xlink:label="SFOR_IssuanceOfCommonStockAndWarrantsForConsultingServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfCommonStockAndWarrantsForConsultingServices" xlink:to="SFOR_IssuanceOfCommonStockAndWarrantsForConsultingServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfCommonStockAndWarrantsForConsultingServices_lbl" xml:lang="en-US">Issuance of common stock and warrants for consulting services</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WarrantsIssuedInConnectionWithConvertibleNotePayable" xlink:label="SFOR_WarrantsIssuedInConnectionWithConvertibleNotePayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsIssuedInConnectionWithConvertibleNotePayable" xlink:to="SFOR_WarrantsIssuedInConnectionWithConvertibleNotePayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WarrantsIssuedInConnectionWithConvertibleNotePayable_lbl" xml:lang="en-US">Warrants issued in connection with convertible note payable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US">Changes in operating assets and liabilities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xml:lang="en-US">Accounts receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:to="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xml:lang="en-US">Prepaid expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayable" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xml:lang="en-US">Accounts payable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xml:lang="en-US">Accrued expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_GarnishmentWithheld2" xlink:label="SFOR_GarnishmentWithheld2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_GarnishmentWithheld2" xlink:to="SFOR_GarnishmentWithheld2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_GarnishmentWithheld2_lbl" xml:lang="en-US">Garnishment withheld</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CommonStockToBeIssued1" xlink:label="SFOR_CommonStockToBeIssued1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonStockToBeIssued1" xlink:to="SFOR_CommonStockToBeIssued1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_CommonStockToBeIssued1_lbl" xml:lang="en-US">Common stock to be issued</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US">Net cash used in operating activities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from investing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US">Purchases of property and equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US">Net cash used in investing activities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from financing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock" xlink:label="us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock" xlink:to="us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_lbl" xml:lang="en-US">Proceeds from sale of series B preferred stock</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfNotesPayable" xlink:label="us-gaap_RepaymentsOfNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfNotesPayable" xlink:to="us-gaap_RepaymentsOfNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_RepaymentsOfNotesPayable_lbl" xml:lang="en-US">Repayment of notes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ProceedsFromConvertibleNotesPayable" xlink:label="SFOR_ProceedsFromConvertibleNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ProceedsFromConvertibleNotesPayable" xlink:to="SFOR_ProceedsFromConvertibleNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ProceedsFromConvertibleNotesPayable_lbl" xml:lang="en-US">Proceeds from convertible notes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_RepaymentOfConvertibleNotesPayable" xlink:label="SFOR_RepaymentOfConvertibleNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_RepaymentOfConvertibleNotesPayable" xlink:to="SFOR_RepaymentOfConvertibleNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_RepaymentOfConvertibleNotesPayable_lbl" xml:lang="en-US">Repayment of convertible notes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromNotesPayable" xlink:label="us-gaap_ProceedsFromNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromNotesPayable" xlink:to="us-gaap_ProceedsFromNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromNotesPayable_lbl" xml:lang="en-US">Proceeds from notes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US">Net cash provided by financing activities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US">Net change in cash</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US">Cash at beginning of the year</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_2_lbl" xml:lang="en-US">Cash at end of the year</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xml:lang="en-US">Supplemental disclosure of cash flow information:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US">Interest paid</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="us-gaap_IncomeTaxesPaidNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaidNet" xlink:to="us-gaap_IncomeTaxesPaidNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xml:lang="en-US">Income tax paid</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xml:lang="en-US">Non-cash investing and financing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CommonSharesIssuedForConversionOfDebtAndAccruedInterest" xlink:label="SFOR_CommonSharesIssuedForConversionOfDebtAndAccruedInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonSharesIssuedForConversionOfDebtAndAccruedInterest" xlink:to="SFOR_CommonSharesIssuedForConversionOfDebtAndAccruedInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CommonSharesIssuedForConversionOfDebtAndAccruedInterest_lbl" xml:lang="en-US">Common shares issued for conversion of debt and accrued interest</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CommonSharesIssuedForExerciseOfWarrants" xlink:label="SFOR_CommonSharesIssuedForExerciseOfWarrants" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonSharesIssuedForExerciseOfWarrants" xlink:to="SFOR_CommonSharesIssuedForExerciseOfWarrants_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CommonSharesIssuedForExerciseOfWarrants_lbl" xml:lang="en-US">Common shares issued for exercise of warrants</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PreferredStockDiscountDueToConvertibleFeature" xlink:label="SFOR_PreferredStockDiscountDueToConvertibleFeature" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockDiscountDueToConvertibleFeature" xlink:to="SFOR_PreferredStockDiscountDueToConvertibleFeature_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PreferredStockDiscountDueToConvertibleFeature_lbl" xml:lang="en-US">Preferred stock discount due to convertible feature</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DebtDiscountDueToConvertibleFeature" xlink:label="SFOR_DebtDiscountDueToConvertibleFeature" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DebtDiscountDueToConvertibleFeature" xlink:to="SFOR_DebtDiscountDueToConvertibleFeature_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DebtDiscountDueToConvertibleFeature_lbl" xml:lang="en-US">Debt discount due to convertible feature</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ReclassificationOfDerivativeLiabilityToEquity" xlink:label="SFOR_ReclassificationOfDerivativeLiabilityToEquity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ReclassificationOfDerivativeLiabilityToEquity" xlink:to="SFOR_ReclassificationOfDerivativeLiabilityToEquity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ReclassificationOfDerivativeLiabilityToEquity_lbl" xml:lang="en-US">Reclassification of derivative liability to equity</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IssuanceOfCommonStockForCommonStockToBeIssued" xlink:label="SFOR_IssuanceOfCommonStockForCommonStockToBeIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfCommonStockForCommonStockToBeIssued" xlink:to="SFOR_IssuanceOfCommonStockForCommonStockToBeIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfCommonStockForCommonStockToBeIssued_lbl" xml:lang="en-US">Issuance of common stock for common stock to be issued</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_OrganizationConsolidationAndPresentationOfFinancialStatementAbstract" xlink:label="SFOR_OrganizationConsolidationAndPresentationOfFinancialStatementAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OrganizationConsolidationAndPresentationOfFinancialStatementAbstract" xlink:to="SFOR_OrganizationConsolidationAndPresentationOfFinancialStatementAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_OrganizationConsolidationAndPresentationOfFinancialStatementAbstract_lbl" xml:lang="en-US">Organization and Operations</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="us-gaap_NatureOfOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NatureOfOperations" xlink:to="us-gaap_NatureOfOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NatureOfOperations_lbl" xml:lang="en-US">Note 1 - Organization and Operations</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AccountingPolicyAbstract" xlink:label="SFOR_AccountingPolicyAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccountingPolicyAbstract" xlink:to="SFOR_AccountingPolicyAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AccountingPolicyAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US">Note 2 - Summary of Significant Accounting Policies</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_GoingConcernAbstract" xlink:label="SFOR_GoingConcernAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_GoingConcernAbstract" xlink:to="SFOR_GoingConcernAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_GoingConcernAbstract_lbl" xml:lang="en-US">Going Concern</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiquidityDisclosureGoingConcernNote" xlink:label="us-gaap_LiquidityDisclosureGoingConcernNote" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiquidityDisclosureGoingConcernNote" xlink:to="us-gaap_LiquidityDisclosureGoingConcernNote_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiquidityDisclosureGoingConcernNote_lbl" xml:lang="en-US">Note 3 - Going Concern</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PropertyPlantAndEquipmentAbstract1" xlink:label="SFOR_PropertyPlantAndEquipmentAbstract1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PropertyPlantAndEquipmentAbstract1" xlink:to="SFOR_PropertyPlantAndEquipmentAbstract1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PropertyPlantAndEquipmentAbstract1_lbl" xml:lang="en-US">Property Equipment at Cost</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xml:lang="en-US">Note 4 - Property and Equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PatentsAbstract" xlink:label="SFOR_PatentsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PatentsAbstract" xlink:to="SFOR_PatentsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PatentsAbstract_lbl" xml:lang="en-US">Patents:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:to="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl" xml:lang="en-US">Note 5 - Patents</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ResearchAndDevelopmentAbstract1" xlink:label="SFOR_ResearchAndDevelopmentAbstract1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ResearchAndDevelopmentAbstract1" xlink:to="SFOR_ResearchAndDevelopmentAbstract1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ResearchAndDevelopmentAbstract1_lbl" xml:lang="en-US">Website, stated at cost</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock" xlink:label="us-gaap_ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock" xlink:to="us-gaap_ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock_lbl" xml:lang="en-US">Note 6 - Website</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConvertibleNotesPayableAbstract" xlink:label="SFOR_ConvertibleNotesPayableAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotesPayableAbstract" xlink:to="SFOR_ConvertibleNotesPayableAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayableAbstract_lbl" xml:lang="en-US">Convertible Note Payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConvertibleNotePayableDisclosureTextBlock" xlink:label="SFOR_ConvertibleNotePayableDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotePayableDisclosureTextBlock" xlink:to="SFOR_ConvertibleNotePayableDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotePayableDisclosureTextBlock_lbl" xml:lang="en-US">Note 7 - Convertible Notes Payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConvertibleNotesPayableRelatedPartiesAbstract" xlink:label="SFOR_ConvertibleNotesPayableRelatedPartiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotesPayableRelatedPartiesAbstract" xlink:to="SFOR_ConvertibleNotesPayableRelatedPartiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayableRelatedPartiesAbstract_lbl" xml:lang="en-US">Convertible Notes Payable Related Parties</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConvertibleNotesPayableRelatedPartyDisclosureTextBlock" xlink:label="SFOR_ConvertibleNotesPayableRelatedPartyDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotesPayableRelatedPartyDisclosureTextBlock" xlink:to="SFOR_ConvertibleNotesPayableRelatedPartyDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleNotesPayableRelatedPartyDisclosureTextBlock_lbl" xml:lang="en-US">Note 8 - Convertible Notes Payable Related Parties</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DebtAbstract" xlink:label="SFOR_DebtAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DebtAbstract" xlink:to="SFOR_DebtAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DebtAbstract_lbl" xml:lang="en-US">Notes Payable {1}</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MortgageNotesPayableDisclosureTextBlock" xlink:label="us-gaap_MortgageNotesPayableDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MortgageNotesPayableDisclosureTextBlock" xlink:to="us-gaap_MortgageNotesPayableDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MortgageNotesPayableDisclosureTextBlock_lbl" xml:lang="en-US">Note 9 - Notes Payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_NotesPayablesRelatedPartyAbstract" xlink:label="SFOR_NotesPayablesRelatedPartyAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NotesPayablesRelatedPartyAbstract" xlink:to="SFOR_NotesPayablesRelatedPartyAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_NotesPayablesRelatedPartyAbstract_lbl" xml:lang="en-US">Notes Payables Related Party</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_NotesPayablesRelatedPartyDisclosureTextBlock" xlink:label="SFOR_NotesPayablesRelatedPartyDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NotesPayablesRelatedPartyDisclosureTextBlock" xlink:to="SFOR_NotesPayablesRelatedPartyDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_NotesPayablesRelatedPartyDisclosureTextBlock_lbl" xml:lang="en-US">Note 10 - Notes Payables Related Party</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConvertibleSecuredNotesAbstract" xlink:label="SFOR_ConvertibleSecuredNotesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleSecuredNotesAbstract" xlink:to="SFOR_ConvertibleSecuredNotesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleSecuredNotesAbstract_lbl" xml:lang="en-US">Convertible Secured Notes Payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConvertibleSecuredNotes" xlink:label="SFOR_ConvertibleSecuredNotes" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleSecuredNotes" xlink:to="SFOR_ConvertibleSecuredNotes_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConvertibleSecuredNotes_lbl" xml:lang="en-US">Note 11 - Convertible Secured Notes Payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DerivativeInstrumentsAndHedgingActivitiesAbstract" xlink:label="SFOR_DerivativeInstrumentsAndHedgingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DerivativeInstrumentsAndHedgingActivitiesAbstract" xlink:to="SFOR_DerivativeInstrumentsAndHedgingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DerivativeInstrumentsAndHedgingActivitiesAbstract_lbl" xml:lang="en-US">Derivative Financial Instruments</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativesAndFairValueTextBlock" xlink:label="us-gaap_DerivativesAndFairValueTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesAndFairValueTextBlock" xlink:to="us-gaap_DerivativesAndFairValueTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativesAndFairValueTextBlock_lbl" xml:lang="en-US">Note 12 - Derivative Financial Instruments</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureAccruedExpensesAbstract" xlink:label="SFOR_DisclosureAccruedExpensesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureAccruedExpensesAbstract" xlink:to="SFOR_DisclosureAccruedExpensesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureAccruedExpensesAbstract_lbl" xml:lang="en-US">Accrued Expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AccruedExpensesTextBlock" xlink:label="SFOR_AccruedExpensesTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedExpensesTextBlock" xlink:to="SFOR_AccruedExpensesTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AccruedExpensesTextBlock_lbl" xml:lang="en-US">Note 13 - Accrued Expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureCommitmentAndContingenciesAbstract" xlink:label="SFOR_DisclosureCommitmentAndContingenciesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureCommitmentAndContingenciesAbstract" xlink:to="SFOR_DisclosureCommitmentAndContingenciesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureCommitmentAndContingenciesAbstract_lbl" xml:lang="en-US">Commitment And Contingencies</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xml:lang="en-US">Note 14 - Commitments and Contingencies Disclosure</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_Equity1Abstract" xlink:label="SFOR_Equity1Abstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_Equity1Abstract" xlink:to="SFOR_Equity1Abstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_Equity1Abstract_lbl" xml:lang="en-US">Stockholders Deficit</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xml:lang="en-US">Note 15 - Stockholders' Deficit</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CompensationRelatedCostsGeneralAbstract" xlink:label="SFOR_CompensationRelatedCostsGeneralAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CompensationRelatedCostsGeneralAbstract" xlink:to="SFOR_CompensationRelatedCostsGeneralAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CompensationRelatedCostsGeneralAbstract_lbl" xml:lang="en-US">Stock Based Compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CompensationRelatedCostsGeneralTextBlock" xlink:label="us-gaap_CompensationRelatedCostsGeneralTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationRelatedCostsGeneralTextBlock" xlink:to="us-gaap_CompensationRelatedCostsGeneralTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CompensationRelatedCostsGeneralTextBlock_lbl" xml:lang="en-US">Note 16 - Stock Based Compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureIncomeTaxProvisionAbstract" xlink:label="SFOR_DisclosureIncomeTaxProvisionAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureIncomeTaxProvisionAbstract" xlink:to="SFOR_DisclosureIncomeTaxProvisionAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureIncomeTaxProvisionAbstract_lbl" xml:lang="en-US">Income Tax Provision</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xml:lang="en-US">Note 17 - Income Tax Provision</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_RiskAndUncertaintiesAbstract" xlink:label="SFOR_RiskAndUncertaintiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_RiskAndUncertaintiesAbstract" xlink:to="SFOR_RiskAndUncertaintiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_RiskAndUncertaintiesAbstract_lbl" xml:lang="en-US">Concentration of Credit Risk</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:label="us-gaap_ConcentrationRiskDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:to="us-gaap_ConcentrationRiskDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskDisclosureTextBlock_lbl" xml:lang="en-US">Note 18 - Concentration of Credit Risk</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureSubsequentEventsAbstract" xlink:label="SFOR_DisclosureSubsequentEventsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureSubsequentEventsAbstract" xlink:to="SFOR_DisclosureSubsequentEventsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureSubsequentEventsAbstract_lbl" xml:lang="en-US">Subsequent Events</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xml:lang="en-US">Note 19 - Subsequent Events</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureSummaryOfSignificantAccountingPoliciesPoliciesAbstract" xlink:label="SFOR_DisclosureSummaryOfSignificantAccountingPoliciesPoliciesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureSummaryOfSignificantAccountingPoliciesPoliciesAbstract" xlink:to="SFOR_DisclosureSummaryOfSignificantAccountingPoliciesPoliciesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureSummaryOfSignificantAccountingPoliciesPoliciesAbstract_lbl" xml:lang="en-US">Summary Of Significant Accounting Policies Policies</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xml:lang="en-US">Basis of Presentation</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="us-gaap_UseOfEstimates" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UseOfEstimates" xlink:to="us-gaap_UseOfEstimates_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UseOfEstimates_lbl" xml:lang="en-US">Use of Estimates and Assumptions</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xml:lang="en-US">Fair Value of Financial Instruments</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_FairValueOfFinancialAssetsAndLiabilitiesMeasuredOnARecurringBasisPolicyTextBlock" xlink:label="SFOR_FairValueOfFinancialAssetsAndLiabilitiesMeasuredOnARecurringBasisPolicyTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_FairValueOfFinancialAssetsAndLiabilitiesMeasuredOnARecurringBasisPolicyTextBlock" xlink:to="SFOR_FairValueOfFinancialAssetsAndLiabilitiesMeasuredOnARecurringBasisPolicyTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_FairValueOfFinancialAssetsAndLiabilitiesMeasuredOnARecurringBasisPolicyTextBlock_lbl" xml:lang="en-US">Fair Value of Financial Assets and Liabilities Measured on a Recurring Basis</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:to="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xml:lang="en-US">Carrying Value, Recoverability and Impairment of Long-Lived Assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:type="arc" />
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      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DetailedInformationRelatingToNotesPayableTableTextBlock" xlink:label="SFOR_DetailedInformationRelatingToNotesPayableTableTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DetailedInformationRelatingToNotesPayableTableTextBlock_lbl" xml:lang="en-US">Detailed Information Relating To Notes Payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureNotesPayableRelatedPartiesTablesAbstract" xlink:label="SFOR_DisclosureNotesPayableRelatedPartiesTablesAbstract" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureNotesPayableRelatedPartiesTablesAbstract_lbl" xml:lang="en-US">Notes Payable Related Parties Tables</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DetailedInformationRelatingToNotesPayableRelatedPartiesTableTextBlock" xlink:label="SFOR_DetailedInformationRelatingToNotesPayableRelatedPartiesTableTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DetailedInformationRelatingToNotesPayableRelatedPartiesTableTextBlock_lbl" xml:lang="en-US">Detailed Information Relating To Notes Payable Related Parties</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureConvertibleSecuredNotesPayableTablesAbstract" xlink:label="SFOR_DisclosureConvertibleSecuredNotesPayableTablesAbstract" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureConvertibleSecuredNotesPayableTablesAbstract_lbl" xml:lang="en-US">Convertible Secured Notes Payable Tables</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DetailsOfConvertibleSecuredNotesPayablesTableTextBlock" xlink:label="SFOR_DetailsOfConvertibleSecuredNotesPayablesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DetailsOfConvertibleSecuredNotesPayablesTableTextBlock" xlink:to="SFOR_DetailsOfConvertibleSecuredNotesPayablesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DetailsOfConvertibleSecuredNotesPayablesTableTextBlock_lbl" xml:lang="en-US">Details Of Convertible Secured Notes Payables</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureDerivativeFinancialInstrumentsTablesAbstract" xlink:label="SFOR_DisclosureDerivativeFinancialInstrumentsTablesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureDerivativeFinancialInstrumentsTablesAbstract" xlink:to="SFOR_DisclosureDerivativeFinancialInstrumentsTablesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureDerivativeFinancialInstrumentsTablesAbstract_lbl" xml:lang="en-US">Derivative Financial Instruments Tables</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_FairValueMeasurementUsingLevelThreeInputsTableTextBlock" xlink:label="SFOR_FairValueMeasurementUsingLevelThreeInputsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_FairValueMeasurementUsingLevelThreeInputsTableTextBlock" xlink:to="SFOR_FairValueMeasurementUsingLevelThreeInputsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_FairValueMeasurementUsingLevelThreeInputsTableTextBlock_lbl" xml:lang="en-US">Fair Value Measurement Using Level Three Inputs</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" />
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      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureAccruedExpensesTablesAbstract" xlink:label="SFOR_DisclosureAccruedExpensesTablesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureAccruedExpensesTablesAbstract" xlink:to="SFOR_DisclosureAccruedExpensesTablesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureAccruedExpensesTablesAbstract_lbl" xml:lang="en-US">Accrued Expenses Tables</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xml:lang="en-US">Accrued expenses consisted</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureCommitmentAndContingenciesTablesAbstract" xlink:label="SFOR_DisclosureCommitmentAndContingenciesTablesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureCommitmentAndContingenciesTablesAbstract" xlink:to="SFOR_DisclosureCommitmentAndContingenciesTablesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureCommitmentAndContingenciesTablesAbstract_lbl" xml:lang="en-US">Commitment And Contingencies Tables</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock" xlink:label="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock" xlink:to="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_lbl" xlink:type="arc" />
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      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureStockholdersDeficitTablesAbstract" xlink:label="SFOR_DisclosureStockholdersDeficitTablesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureStockholdersDeficitTablesAbstract" xlink:to="SFOR_DisclosureStockholdersDeficitTablesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureStockholdersDeficitTablesAbstract_lbl" xml:lang="en-US">Stockholders Deficit Tables</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WarrantActivitiesTableTextBlock" xlink:label="SFOR_WarrantActivitiesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantActivitiesTableTextBlock" xlink:to="SFOR_WarrantActivitiesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WarrantActivitiesTableTextBlock_lbl" xml:lang="en-US">Warrant Activities</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_OutstandingAndExercisableWarrantsTableTextBlock" xlink:label="SFOR_OutstandingAndExercisableWarrantsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OutstandingAndExercisableWarrantsTableTextBlock" xlink:to="SFOR_OutstandingAndExercisableWarrantsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_OutstandingAndExercisableWarrantsTableTextBlock_lbl" xml:lang="en-US">Outstanding And Exercisable Warrants</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WeightedAverageAssumptions" xlink:label="SFOR_WeightedAverageAssumptions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WeightedAverageAssumptions" xlink:to="SFOR_WeightedAverageAssumptions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WeightedAverageAssumptions_lbl" xml:lang="en-US">Weighted Average Assumptions</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureStockBasedCompensationTablesAbstract" xlink:label="SFOR_DisclosureStockBasedCompensationTablesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureStockBasedCompensationTablesAbstract" xlink:to="SFOR_DisclosureStockBasedCompensationTablesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureStockBasedCompensationTablesAbstract_lbl" xml:lang="en-US">Stock Based Compensation Tables</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfOptionsIndexedToIssuersEquityTextBlock" xlink:label="us-gaap_ScheduleOfOptionsIndexedToIssuersEquityTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfOptionsIndexedToIssuersEquityTextBlock_lbl" xml:lang="en-US">Estimated fair value options</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_IncentivePlanStockOptionActivitiesTableTextBlock" xlink:label="SFOR_IncentivePlanStockOptionActivitiesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IncentivePlanStockOptionActivitiesTableTextBlock" xlink:to="SFOR_IncentivePlanStockOptionActivitiesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IncentivePlanStockOptionActivitiesTableTextBlock_lbl" xml:lang="en-US">Incentive Plan Stock Option Activities</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_OutstandingAndExercisableIncentivePlanOptionsTableTextBlock" xlink:label="SFOR_OutstandingAndExercisableIncentivePlanOptionsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OutstandingAndExercisableIncentivePlanOptionsTableTextBlock" xlink:to="SFOR_OutstandingAndExercisableIncentivePlanOptionsTableTextBlock_lbl" xlink:type="arc" />
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      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureIncomeTaxProvisionTablesAbstract" xlink:label="SFOR_DisclosureIncomeTaxProvisionTablesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureIncomeTaxProvisionTablesAbstract" xlink:to="SFOR_DisclosureIncomeTaxProvisionTablesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureIncomeTaxProvisionTablesAbstract_lbl" xml:lang="en-US">Income Tax Provision Tables</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xml:lang="en-US">Components of deferred tax assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
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      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureConcentrationOfCreditRiskTablesAbstract" xlink:label="SFOR_DisclosureConcentrationOfCreditRiskTablesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureConcentrationOfCreditRiskTablesAbstract" xlink:to="SFOR_DisclosureConcentrationOfCreditRiskTablesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureConcentrationOfCreditRiskTablesAbstract_lbl" xml:lang="en-US">Concentration Of Credit Risk Tables</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CustomersAndCreditConcentrationsTableTextBlock" xlink:label="SFOR_CustomersAndCreditConcentrationsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CustomersAndCreditConcentrationsTableTextBlock" xlink:to="SFOR_CustomersAndCreditConcentrationsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CustomersAndCreditConcentrationsTableTextBlock_lbl" xml:lang="en-US">Customers And Credit Concentrations</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xml:lang="en-US">Estimated Useful Life</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPOTENTIALLYOUTSTANDINGDILUTIVECOMMONSHARESAbstract" xlink:label="SFOR_SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPOTENTIALLYOUTSTANDINGDILUTIVECOMMONSHARESAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPOTENTIALLYOUTSTANDINGDILUTIVECOMMONSHARESAbstract" xlink:to="SFOR_SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPOTENTIALLYOUTSTANDINGDILUTIVECOMMONSHARESAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPOTENTIALLYOUTSTANDINGDILUTIVECOMMONSHARESAbstract_lbl" xml:lang="en-US">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES POTENTIALLY OUTSTANDING DILUTIVE COMMON SHARES</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConversionFeatureSharesAbstract" xlink:to="SFOR_ConversionFeatureSharesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConversionFeatureSharesAbstract_lbl" xml:lang="en-US">Conversion Feature Shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharesOfCommonStockIssuableUnderTheConversionFeatureOfConvertibleNotesPayable" xlink:label="SFOR_SharesOfCommonStockIssuableUnderTheConversionFeatureOfConvertibleNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharesOfCommonStockIssuableUnderTheConversionFeatureOfConvertibleNotesPayable" xlink:to="SFOR_SharesOfCommonStockIssuableUnderTheConversionFeatureOfConvertibleNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SharesOfCommonStockIssuableUnderTheConversionFeatureOfConvertibleNotesPayable_lbl" xml:lang="en-US">Common shares issuable under the conversion feature of convertible notes payable</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SubTotalConversionFeatureShares" xlink:to="SFOR_SubTotalConversionFeatureShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SubTotalConversionFeatureShares_lbl" xml:lang="en-US">Sub-total: Conversion feature shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_StockOptionSharesAbstract" xlink:label="SFOR_StockOptionSharesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_StockOptionSharesAbstract" xlink:to="SFOR_StockOptionSharesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_StockOptionSharesAbstract_lbl" xml:lang="en-US">Stock Option Shares</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OptionsIssuedFromMay202003ThroughApril212011ToEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom375To15000PerShareExpiringThree3YearsToTen10YearsFromTheDateOfIssuance" xlink:to="SFOR_OptionsIssuedFromMay202003ThroughApril212011ToEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom375To15000PerShareExpiringThree3YearsToTen10YearsFromTheDateOfIssuance_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_OptionsIssuedFromMay202003ThroughApril212011ToEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom375To15000PerShareExpiringThree3YearsToTen10YearsFromTheDateOfIssuance_lbl" xml:lang="en-US">Options issued from May 20, 2003 through April 21, 2011 to employees to purchase common shares with exercise prices ranging from $3.75 to $15,000 per share expiring three (3) years to ten (10) years from the date of issuance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_OptionsIssuedFromDecember22004ThroughJanuary302013ToPartiesOtherThanEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom300To13500PerShareExpiringFive5YearsToTen10YearsFromTheDateOfIssuance" xlink:label="SFOR_OptionsIssuedFromDecember22004ThroughJanuary302013ToPartiesOtherThanEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom300To13500PerShareExpiringFive5YearsToTen10YearsFromTheDateOfIssuance" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OptionsIssuedFromDecember22004ThroughJanuary302013ToPartiesOtherThanEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom300To13500PerShareExpiringFive5YearsToTen10YearsFromTheDateOfIssuance" xlink:to="SFOR_OptionsIssuedFromDecember22004ThroughJanuary302013ToPartiesOtherThanEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom300To13500PerShareExpiringFive5YearsToTen10YearsFromTheDateOfIssuance_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_OptionsIssuedFromDecember22004ThroughJanuary302013ToPartiesOtherThanEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom300To13500PerShareExpiringFive5YearsToTen10YearsFromTheDateOfIssuance_lbl" xml:lang="en-US">Options issued from December 2, 2004 through January 30, 2013 to parties other than employees to purchase common shares with exercise prices ranging from $3.00 to $13,500 per share expiring five (5) years to ten (10) years from the date of issuance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_OptionsIssuedOnJanuary32013FromThe2012StockIncentivePlanToEmployeesToPurchaseCommonSharesWithAnExercisePriceOf00023PerShareExpiringTen10YearsFromTheDateOfIssuance" xlink:label="SFOR_OptionsIssuedOnJanuary32013FromThe2012StockIncentivePlanToEmployeesToPurchaseCommonSharesWithAnExercisePriceOf00023PerShareExpiringTen10YearsFromTheDateOfIssuance" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OptionsIssuedOnJanuary32013FromThe2012StockIncentivePlanToEmployeesToPurchaseCommonSharesWithAnExercisePriceOf00023PerShareExpiringTen10YearsFromTheDateOfIssuance" xlink:to="SFOR_OptionsIssuedOnJanuary32013FromThe2012StockIncentivePlanToEmployeesToPurchaseCommonSharesWithAnExercisePriceOf00023PerShareExpiringTen10YearsFromTheDateOfIssuance_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_OptionsIssuedOnJanuary32013FromThe2012StockIncentivePlanToEmployeesToPurchaseCommonSharesWithAnExercisePriceOf00023PerShareExpiringTen10YearsFromTheDateOfIssuance_lbl" xml:lang="en-US">Options issued on January 3, 2013 from the 2012 Stock Incentive Plan to employees to purchase common shares with an exercise price of $3.45 per share expiring ten (10) years from the date of issuance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SubTotalStockOptionShares" xlink:label="SFOR_SubTotalStockOptionShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SubTotalStockOptionShares" xlink:to="SFOR_SubTotalStockOptionShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SubTotalStockOptionShares_lbl" xml:lang="en-US">Sub-total: Stock option shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WarrantSharesAbstract" xlink:label="SFOR_WarrantSharesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantSharesAbstract" xlink:to="SFOR_WarrantSharesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WarrantSharesAbstract_lbl" xml:lang="en-US">Warrant Shares</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1" xlink:label="us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1" xlink:to="us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1_lbl" xml:lang="en-US">Warrants issued in connection with debentures</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WarrantsSoldForCash" xlink:label="SFOR_WarrantsSoldForCash" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsSoldForCash" xlink:to="SFOR_WarrantsSoldForCash_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WarrantsSoldForCash_lbl" xml:lang="en-US">Warrants sold for cash</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WarrantsIssuedForServices" xlink:label="SFOR_WarrantsIssuedForServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsIssuedForServices" xlink:to="SFOR_WarrantsIssuedForServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WarrantsIssuedForServices_lbl" xml:lang="en-US">Warrants issued for services</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WarrantsIssuedInConnectionWithTheSaleOfCommonStock" xlink:label="SFOR_WarrantsIssuedInConnectionWithTheSaleOfCommonStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsIssuedInConnectionWithTheSaleOfCommonStock" xlink:to="SFOR_WarrantsIssuedInConnectionWithTheSaleOfCommonStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WarrantsIssuedInConnectionWithTheSaleOfCommonStock_lbl" xml:lang="en-US">Warrants issued in connection with the sale of common stock</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SubTotalWarrantShares" xlink:label="SFOR_SubTotalWarrantShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SubTotalWarrantShares" xlink:to="SFOR_SubTotalWarrantShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SubTotalWarrantShares_lbl" xml:lang="en-US">Sub-total: Warrant shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_TotalPotentiallyOutstandingDilutiveCommonShares" xlink:label="SFOR_TotalPotentiallyOutstandingDilutiveCommonShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_TotalPotentiallyOutstandingDilutiveCommonShares" xlink:to="SFOR_TotalPotentiallyOutstandingDilutiveCommonShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_TotalPotentiallyOutstandingDilutiveCommonShares_lbl" xml:lang="en-US">Total potentially outstanding dilutive common shares</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US">Property and equipment, gross</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Less accumulated depreciation (i)</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_PropertyAndEquipmentConsistedOfFollowingDetailsNarrativeAbstract" xlink:label="SFOR_PropertyAndEquipmentConsistedOfFollowingDetailsNarrativeAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PropertyAndEquipmentConsistedOfFollowingDetailsNarrativeAbstract" xlink:to="SFOR_PropertyAndEquipmentConsistedOfFollowingDetailsNarrativeAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_PropertyAndEquipmentConsistedOfFollowingDetailsNarrativeAbstract_lbl" xml:lang="en-US">Property And Equipment Details Narrative</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Depreciation" xlink:to="us-gaap_Depreciation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Depreciation_lbl" xml:lang="en-US">Depreciation expense</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosurePatentsDetails1Abstract" xlink:label="SFOR_DisclosurePatentsDetails1Abstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosurePatentsDetails1Abstract" xlink:to="SFOR_DisclosurePatentsDetails1Abstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosurePatentsDetails1Abstract_lbl" xml:lang="en-US">Patents Details</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedPatentsGross" xlink:label="us-gaap_FiniteLivedPatentsGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedPatentsGross" xlink:to="us-gaap_FiniteLivedPatentsGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FiniteLivedPatentsGross_lbl" xml:lang="en-US">Patents</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedAmortizationDeferredFinanceCosts" xlink:label="us-gaap_AccumulatedAmortizationDeferredFinanceCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedAmortizationDeferredFinanceCosts" xlink:to="us-gaap_AccumulatedAmortizationDeferredFinanceCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedAmortizationDeferredFinanceCosts_lbl" xml:lang="en-US">Accumulated amortization</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xml:lang="en-US">Net Ammortization</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosurePatentsDetailsNarrativeAbstract" xlink:label="SFOR_DisclosurePatentsDetailsNarrativeAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosurePatentsDetailsNarrativeAbstract" xlink:to="SFOR_DisclosurePatentsDetailsNarrativeAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosurePatentsDetailsNarrativeAbstract_lbl" xml:lang="en-US">Patents Details Narrative</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="us-gaap_AdjustmentForAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentForAmortization" xlink:to="us-gaap_AdjustmentForAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentForAmortization_lbl" xml:lang="en-US">Amortization expense</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WebsiteConsistedOfFollowingDetailsAbstract" xlink:label="SFOR_WebsiteConsistedOfFollowingDetailsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WebsiteConsistedOfFollowingDetailsAbstract" xlink:to="SFOR_WebsiteConsistedOfFollowingDetailsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WebsiteConsistedOfFollowingDetailsAbstract_lbl" xml:lang="en-US">Website Details</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WebsiteGross" xlink:label="SFOR_WebsiteGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WebsiteGross" xlink:to="SFOR_WebsiteGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WebsiteGross_lbl" xml:lang="en-US">Website</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GroundLeasesAccumulatedAmortization" xlink:label="us-gaap_GroundLeasesAccumulatedAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GroundLeasesAccumulatedAmortization" xlink:to="us-gaap_GroundLeasesAccumulatedAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GroundLeasesAccumulatedAmortization_lbl" xml:lang="en-US">Accumulated amortization (i)</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WebsiteNet" xlink:label="SFOR_WebsiteNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WebsiteNet" xlink:to="SFOR_WebsiteNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WebsiteNet_lbl" xml:lang="en-US">Website, net</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WebsiteConsistedOfFollowingDetailsNarrativeAbstract" xlink:label="SFOR_WebsiteConsistedOfFollowingDetailsNarrativeAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WebsiteConsistedOfFollowingDetailsNarrativeAbstract" xlink:to="SFOR_WebsiteConsistedOfFollowingDetailsNarrativeAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WebsiteConsistedOfFollowingDetailsNarrativeAbstract_lbl" xml:lang="en-US">Website Details Narrative</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AmortizationExpenseWebsite" xlink:label="SFOR_AmortizationExpenseWebsite" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AmortizationExpenseWebsite" xlink:to="SFOR_AmortizationExpenseWebsite_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AmortizationExpenseWebsite_lbl" xml:lang="en-US">Amortization expense (Website)</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConvertibleNotesPayable" xlink:label="us-gaap_ConvertibleNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConvertibleNotesPayable" xlink:to="us-gaap_ConvertibleNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ConvertibleNotesPayable_lbl" xml:lang="en-US">Total Convertible notes payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConvertibleLongTermNotesPayable" xlink:to="us-gaap_ConvertibleLongTermNotesPayable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ConvertibleLongTermNotesPayable_2_lbl" xml:lang="en-US">Long-term portion</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="us-gaap_LongTermDebtCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xml:lang="en-US">Current portion of Long term notes</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="us-gaap_DebtInstrumentCarryingAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCarryingAmount" xlink:to="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US">Discount on convertible notes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConvertibleNotesPayableCurrent" xlink:label="us-gaap_ConvertibleNotesPayableCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConvertibleNotesPayableCurrent" xlink:to="us-gaap_ConvertibleNotesPayableCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConvertibleNotesPayableCurrent_lbl" xml:lang="en-US">Current maturities, net of discount</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestReceivable" xlink:label="us-gaap_InterestReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestReceivable" xlink:to="us-gaap_InterestReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestReceivable_lbl" xml:lang="en-US">Accrued interest</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:label="us-gaap_IncreaseDecreaseInInterestPayableNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:to="us-gaap_IncreaseDecreaseInInterestPayableNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInInterestPayableNet_lbl" xml:lang="en-US">Interest expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotesPayableRelatedParties" xlink:to="SFOR_ConvertibleNotesPayableRelatedParties_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ConvertibleNotesPayableRelatedParties_2_lbl" xml:lang="en-US">Total of convertible notes Payable related party,</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureConvertibleNotesPayableRelatedPartiesDetailsNarrativeAbstract" xlink:label="SFOR_DisclosureConvertibleNotesPayableRelatedPartiesDetailsNarrativeAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureConvertibleNotesPayableRelatedPartiesDetailsNarrativeAbstract" xlink:to="SFOR_DisclosureConvertibleNotesPayableRelatedPartiesDetailsNarrativeAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureConvertibleNotesPayableRelatedPartiesDetailsNarrativeAbstract_lbl" xml:lang="en-US">Convertible Notes Payable - Related Parties Details Narrative</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AccruedInterestRelatedParty" xlink:label="SFOR_AccruedInterestRelatedParty" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedInterestRelatedParty" xlink:to="SFOR_AccruedInterestRelatedParty_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_AccruedInterestRelatedParty_lbl" xml:lang="en-US">Accrued interest</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpenseRelatedParty" xlink:label="us-gaap_InterestExpenseRelatedParty" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseRelatedParty" xlink:to="us-gaap_InterestExpenseRelatedParty_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InterestExpenseRelatedParty_lbl" xml:lang="en-US">Interest expense</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NotesPayable" xlink:label="us-gaap_NotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayable" xlink:to="us-gaap_NotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NotesPayable_lbl" xml:lang="en-US">Total promissory notes gross</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US">Long-term portion of promissory notes</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtCurrent" xlink:label="us-gaap_DebtCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtCurrent" xlink:to="us-gaap_DebtCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtCurrent_lbl" xml:lang="en-US">Current portion of promissory notes</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DiscountOnConvertiblePromissoryNotesPayable" xlink:label="SFOR_DiscountOnConvertiblePromissoryNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DiscountOnConvertiblePromissoryNotesPayable" xlink:to="SFOR_DiscountOnConvertiblePromissoryNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DiscountOnConvertiblePromissoryNotesPayable_lbl" xml:lang="en-US">Discount on convertible promissory notes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NotesPayableCurrent" xlink:label="us-gaap_NotesPayableCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayableCurrent" xlink:to="us-gaap_NotesPayableCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NotesPayableCurrent_lbl" xml:lang="en-US">Current maturities of promissory notes, net of discount</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AccruedInterestNotesPayable" xlink:label="SFOR_AccruedInterestNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedInterestNotesPayable" xlink:to="SFOR_AccruedInterestNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AccruedInterestNotesPayable_lbl" xml:lang="en-US">Accrued interest notes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_InterestExpenseNotesPayable" xlink:label="SFOR_InterestExpenseNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_InterestExpenseNotesPayable" xlink:to="SFOR_InterestExpenseNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_InterestExpenseNotesPayable_lbl" xml:lang="en-US">Interest expense notes payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayableRelatedPartiesClassifiedCurrent" xlink:to="us-gaap_NotesPayableRelatedPartiesClassifiedCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NotesPayableRelatedPartiesClassifiedCurrent_2_lbl" xml:lang="en-US">Total Notes Payable - Related Parties</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent" xlink:label="us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent" xlink:to="us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_lbl" xml:lang="en-US">Accrued interest</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_NotesPayableRelatedPartiesInterestExpense" xlink:label="SFOR_NotesPayableRelatedPartiesInterestExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NotesPayableRelatedPartiesInterestExpense" xlink:to="SFOR_NotesPayableRelatedPartiesInterestExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_NotesPayableRelatedPartiesInterestExpense_lbl" xml:lang="en-US">Interest expense</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureConvertibleSecuredNotesPayableDetailsAbstract" xlink:label="SFOR_DisclosureConvertibleSecuredNotesPayableDetailsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureConvertibleSecuredNotesPayableDetailsAbstract" xlink:to="SFOR_DisclosureConvertibleSecuredNotesPayableDetailsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureConvertibleSecuredNotesPayableDetailsAbstract_lbl" xml:lang="en-US">Convertible Secured Notes Payable Details</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DartLimitedCustodianForCitcoGlobalAndAsAssignedFromYaGlobalHighgate" xlink:label="SFOR_DartLimitedCustodianForCitcoGlobalAndAsAssignedFromYaGlobalHighgate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DartLimitedCustodianForCitcoGlobalAndAsAssignedFromYaGlobalHighgate" xlink:to="SFOR_DartLimitedCustodianForCitcoGlobalAndAsAssignedFromYaGlobalHighgate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DartLimitedCustodianForCitcoGlobalAndAsAssignedFromYaGlobalHighgate_lbl" xml:lang="en-US">DART Limited (custodian for Citco Global and as assigned from YA Global/Highgate)</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CurrentMaturitiesNetOfDiscountOfConvertibleSecuredNotesPayable" xlink:label="SFOR_CurrentMaturitiesNetOfDiscountOfConvertibleSecuredNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CurrentMaturitiesNetOfDiscountOfConvertibleSecuredNotesPayable" xlink:to="SFOR_CurrentMaturitiesNetOfDiscountOfConvertibleSecuredNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CurrentMaturitiesNetOfDiscountOfConvertibleSecuredNotesPayable_lbl" xml:lang="en-US">Current maturities, net of discount of Convertible secured notes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureDerivativefinancialInstrumentsDetailsAbstract" xlink:label="SFOR_DisclosureDerivativefinancialInstrumentsDetailsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureDerivativefinancialInstrumentsDetailsAbstract" xlink:to="SFOR_DisclosureDerivativefinancialInstrumentsDetailsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureDerivativefinancialInstrumentsDetailsAbstract_lbl" xml:lang="en-US">Derivative Financial Instruments Details</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssumptionsExpectedVolatilityRate" xlink:label="us-gaap_FairValueAssumptionsExpectedVolatilityRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssumptionsExpectedVolatilityRate" xlink:to="us-gaap_FairValueAssumptionsExpectedVolatilityRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssumptionsExpectedVolatilityRate_lbl" xml:lang="en-US">Projected volatility</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesCurrent" xlink:to="us-gaap_DerivativeLiabilitiesCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_2_lbl" xml:lang="en-US">Beginning Balance</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements" xlink:to="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements_lbl" xml:lang="en-US">Purchases, issuances and settlements</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xml:lang="en-US">Transfers in and/or out of Level 3</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_TotalGainsOrLossesRealizedUnrealizedIncludedInAbstract" xlink:label="SFOR_TotalGainsOrLossesRealizedUnrealizedIncludedInAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_TotalGainsOrLossesRealizedUnrealizedIncludedInAbstract" xlink:to="SFOR_TotalGainsOrLossesRealizedUnrealizedIncludedInAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_TotalGainsOrLossesRealizedUnrealizedIncludedInAbstract_lbl" xml:lang="en-US">Total gains or losses (realized/unrealized) included in:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:to="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xml:lang="en-US">Net income (loss)</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossTax_lbl" xml:lang="en-US">Other comprehensive income (loss)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesCurrent" xlink:to="us-gaap_DerivativeLiabilitiesCurrent_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_3_lbl" xml:lang="en-US">Ending Balance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WarrantsExercised" xlink:label="SFOR_WarrantsExercised" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsExercised" xlink:to="SFOR_WarrantsExercised_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WarrantsExercised_lbl" xml:lang="en-US">Warrants exercised</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesCurrent" xlink:to="us-gaap_DerivativeLiabilitiesCurrent_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_4_lbl" xml:lang="en-US">Estimated fair value of derivative liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureAccruedExpensesDetailsAbstract" xlink:label="SFOR_DisclosureAccruedExpensesDetailsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureAccruedExpensesDetailsAbstract" xlink:to="SFOR_DisclosureAccruedExpensesDetailsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureAccruedExpensesDetailsAbstract_lbl" xml:lang="en-US">Accrued Expenses Details</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestReceivableCurrent" xlink:label="us-gaap_InterestReceivableCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestReceivableCurrent" xlink:to="us-gaap_InterestReceivableCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InterestReceivableCurrent_lbl" xml:lang="en-US">Accrued interest</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:to="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xml:lang="en-US">Accrued salaries and payroll taxes (i)</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAccruedLiabilitiesNoncurrent" xlink:label="us-gaap_OtherAccruedLiabilitiesNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAccruedLiabilitiesNoncurrent" xlink:to="us-gaap_OtherAccruedLiabilitiesNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAccruedLiabilitiesNoncurrent_lbl" xml:lang="en-US">Accrued expenses - other</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CommitmentsAndContingenciesDetailsAbstract" xlink:label="SFOR_CommitmentsAndContingenciesDetailsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommitmentsAndContingenciesDetailsAbstract" xlink:to="SFOR_CommitmentsAndContingenciesDetailsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CommitmentsAndContingenciesDetailsAbstract_lbl" xml:lang="en-US">Commitments And Contingencies Details</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl" xml:lang="en-US">2015</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US">2016</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US">Total</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="us-gaap_AmortizationOfFinancingCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfFinancingCosts" xlink:to="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xml:lang="en-US">Deferred financing expense</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="us-gaap_SalesRevenueNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalesRevenueNet" xlink:to="us-gaap_SalesRevenueNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalesRevenueNet_lbl" xml:lang="en-US">Sales</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DueToFactor" xlink:to="SFOR_DueToFactor_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_DueToFactor_2_lbl" xml:lang="en-US">Due to the factor</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForLeaseCommissions" xlink:label="us-gaap_PaymentsForLeaseCommissions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForLeaseCommissions" xlink:to="us-gaap_PaymentsForLeaseCommissions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForLeaseCommissions_lbl" xml:lang="en-US">Payment for commissions to consultant</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WarrantsToPurchaseConvertedIntoCommonStock" xlink:label="SFOR_WarrantsToPurchaseConvertedIntoCommonStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsToPurchaseConvertedIntoCommonStock" xlink:to="SFOR_WarrantsToPurchaseConvertedIntoCommonStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WarrantsToPurchaseConvertedIntoCommonStock_lbl" xml:lang="en-US">Warrants to purchase converted into common stock</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CommonStockExercisable" xlink:label="SFOR_CommonStockExercisable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonStockExercisable" xlink:to="SFOR_CommonStockExercisable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CommonStockExercisable_lbl" xml:lang="en-US">Common stock exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WarrantsExercisePricePremiumPercentage" xlink:label="SFOR_WarrantsExercisePricePremiumPercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsExercisePricePremiumPercentage" xlink:to="SFOR_WarrantsExercisePricePremiumPercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WarrantsExercisePricePremiumPercentage_lbl" xml:lang="en-US">Warrants exercise price premium, percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US">Warrants expired</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_NumberOfShares" xlink:label="SFOR_NumberOfShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NumberOfShares" xlink:to="SFOR_NumberOfShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_NumberOfShares_lbl" xml:lang="en-US">Number of Warrants Shares</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US">Outstanding, beginning balance</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl" xml:lang="en-US">Granted</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xml:lang="en-US">Canceled for cashless exercise</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xml:lang="en-US">Exercised (Cashless)</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xml:lang="en-US">Exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl" xml:lang="en-US">Expired</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_2_lbl" xml:lang="en-US">Outstanding, ending balance</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xml:lang="en-US">Vested and exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xml:lang="en-US">Unvested</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xml:lang="en-US">Exercise Price Range Per Share</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_lbl" xml:lang="en-US">Outstanding, beginning balance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceGranted" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceGranted" xlink:to="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceGranted_lbl" xml:lang="en-US">Granted</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceCanceled" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceCanceled" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceCanceled" xlink:to="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceCanceled_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceCanceled_lbl" xml:lang="en-US">Canceled for cashless exercise</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercisedCashless" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercisedCashless" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercisedCashless" xlink:to="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercisedCashless_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercisedCashless_lbl" xml:lang="en-US">Exercised (Cashless)</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercised" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercised" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercised" xlink:to="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercised_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercised_lbl" xml:lang="en-US">Exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExpired" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExpired" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExpired" xlink:to="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExpired_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExpired_lbl" xml:lang="en-US">Expired</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_2_lbl" xml:lang="en-US">Outstanding, ending balance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceVested" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceVested" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceVested" xlink:to="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceVested_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceVested_lbl" xml:lang="en-US">Vested and exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceNonVested" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceNonVested" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceNonVested" xlink:to="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceNonVested_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceNonVested_lbl" xml:lang="en-US">Unvested</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisePrice" xlink:label="SFOR_ExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisePrice" xlink:to="SFOR_ExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ExercisePrice_lbl" xml:lang="en-US">Weighted Average Exercise Price</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US">Outstanding, beginning balance</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Granted</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Canceled for cashless exercise</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Exercised (Cashless)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_2_lbl" xml:lang="en-US">Exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Expired</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2_lbl" xml:lang="en-US">Outstanding, ending balance</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_lbl" xml:lang="en-US">Vested and exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Unvested</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsFairValueAbstract" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsFairValueAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsFairValueAbstract" xlink:to="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsFairValueAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsFairValueAbstract_lbl" xml:lang="en-US">Fair Value at Date of Issuance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValue" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValue" xlink:to="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValue_lbl" xml:lang="en-US">Outstanding, beginning balance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueGranted" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueGranted" xlink:to="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueGranted_lbl" xml:lang="en-US">Granted</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueCanceled" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueCanceled" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueCanceled" xlink:to="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueCanceled_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueCanceled_lbl" xml:lang="en-US">Canceled for cashless exercise</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExercised" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExercised" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExercised" xlink:to="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExercised_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExercised_lbl" xml:lang="en-US">Exercised (Cashless)</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExercised1" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExercised1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExercised1" xlink:to="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExercised1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExercised1_lbl" xml:lang="en-US">Exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExpired" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExpired" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExpired" xlink:to="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExpired_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueExpired_lbl" xml:lang="en-US">Expired</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValue" xlink:to="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValue_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValue_2_lbl" xml:lang="en-US">Outstanding, ending balance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueVested" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueVested" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueVested" xlink:to="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueVested_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueVested_lbl" xml:lang="en-US">Vested and exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueUnvested" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueUnvested" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueUnvested" xlink:to="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueUnvested_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="SFOR_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueUnvested_lbl" xml:lang="en-US">Unvested</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_lbl" xml:lang="en-US">Aggregate Intrinsic Value</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xml:lang="en-US">Outstanding, beginning balance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted" xlink:to="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted_lbl" xml:lang="en-US">Granted</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueCanceledForCashlessExercise" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueCanceledForCashlessExercise" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueCanceledForCashlessExercise" xlink:to="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueCanceledForCashlessExercise_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueCanceledForCashlessExercise_lbl" xml:lang="en-US">Canceled for cashless exercise</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercisedCashless" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercisedCashless" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercisedCashless" xlink:to="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercisedCashless_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercisedCashless_lbl" xml:lang="en-US">Exercised (Cashless)</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercised" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercised" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercised_lbl" xml:lang="en-US">Exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExpired" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExpired" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExpired" xlink:to="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExpired_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExpired_lbl" xml:lang="en-US">Expired</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_2_lbl" xml:lang="en-US">Outstanding, ending balance</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl" xml:lang="en-US">Vested and exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested_lbl" xml:lang="en-US">Unvested</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_lbl" xml:lang="en-US">Number of warrants outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_lbl" xml:lang="en-US">Weighted average exercise price</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US">Weighted average remaining contractual life (years)</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" xml:lang="en-US">Number of warrants exercisable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_3_lbl" xml:lang="en-US">Weighted average exercise price</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US">Weighted average remaining contractual life (years)</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureStockholdersDeficitDetails2Abstract" xlink:label="SFOR_DisclosureStockholdersDeficitDetails2Abstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureStockholdersDeficitDetails2Abstract" xlink:to="SFOR_DisclosureStockholdersDeficitDetails2Abstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureStockholdersDeficitDetails2Abstract_lbl" xml:lang="en-US">Stockholders Deficit Details 2</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssumptionsExpectedTerm" xlink:label="us-gaap_FairValueAssumptionsExpectedTerm" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssumptionsExpectedTerm" xlink:to="us-gaap_FairValueAssumptionsExpectedTerm_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssumptionsExpectedTerm_lbl" xml:lang="en-US">Expected life (years)</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate" xlink:label="us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate" xlink:to="us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate_lbl" xml:lang="en-US">Expected volatility</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_FairValueAssumptionsRiskFreeInterestRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssumptionsRiskFreeInterestRate" xlink:to="us-gaap_FairValueAssumptionsRiskFreeInterestRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssumptionsRiskFreeInterestRate_lbl" xml:lang="en-US">Risk-free interest rate</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_FairValueAssumptionsExpectedDividendRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssumptionsExpectedDividendRate" xlink:to="us-gaap_FairValueAssumptionsExpectedDividendRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssumptionsExpectedDividendRate_lbl" xml:lang="en-US">Expected annual rate of quarterly dividends</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CommonStockAuthorizedIncrease" xlink:label="SFOR_CommonStockAuthorizedIncrease" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonStockAuthorizedIncrease" xlink:to="SFOR_CommonStockAuthorizedIncrease_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CommonStockAuthorizedIncrease_lbl" xml:lang="en-US">Common stock authorized increase</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_CommonStockAuthorizedDecrease" xlink:label="SFOR_CommonStockAuthorizedDecrease" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonStockAuthorizedDecrease" xlink:to="SFOR_CommonStockAuthorizedDecrease_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CommonStockAuthorizedDecrease_lbl" xml:lang="en-US">Common stock authorized decrease</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:to="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xml:lang="en-US">Issuance of restricted common stock</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharesExpensedAsLegalFees" xlink:label="SFOR_SharesExpensedAsLegalFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharesExpensedAsLegalFees" xlink:to="SFOR_SharesExpensedAsLegalFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SharesExpensedAsLegalFees_lbl" xml:lang="en-US">Shares expensed as legal fees</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_SharesExpensedAsLegalFeesAmount" xlink:label="SFOR_SharesExpensedAsLegalFeesAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharesExpensedAsLegalFeesAmount" xlink:to="SFOR_SharesExpensedAsLegalFeesAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_SharesExpensedAsLegalFeesAmount_lbl" xml:lang="en-US">Shares expensed as legal fees, Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingInterestExpense" xlink:label="us-gaap_FinancingInterestExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingInterestExpense" xlink:to="us-gaap_FinancingInterestExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancingInterestExpense_lbl" xml:lang="en-US">Financing expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConversionNoteDescription" xlink:label="SFOR_ConversionNoteDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConversionNoteDescription" xlink:to="SFOR_ConversionNoteDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConversionNoteDescription_lbl" xml:lang="en-US">Conversion note description</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConversionsOfUnrestrictedShares" xlink:label="SFOR_ConversionsOfUnrestrictedShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConversionsOfUnrestrictedShares" xlink:to="SFOR_ConversionsOfUnrestrictedShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConversionsOfUnrestrictedShares_lbl" xml:lang="en-US">Conversions of unrestricted shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConversionsOfUnrestrictedSharesAmount" xlink:label="SFOR_ConversionsOfUnrestrictedSharesAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConversionsOfUnrestrictedSharesAmount" xlink:to="SFOR_ConversionsOfUnrestrictedSharesAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConversionsOfUnrestrictedSharesAmount_lbl" xml:lang="en-US">Conversions of unrestricted shares, Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConversionsOfUnrestrictedSharesDate" xlink:label="SFOR_ConversionsOfUnrestrictedSharesDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConversionsOfUnrestrictedSharesDate" xlink:to="SFOR_ConversionsOfUnrestrictedSharesDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConversionsOfUnrestrictedSharesDate_lbl" xml:lang="en-US">Conversions of unrestricted shares, Dates</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConversionsOfUnrestrictedSharesPrice" xlink:label="SFOR_ConversionsOfUnrestrictedSharesPrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConversionsOfUnrestrictedSharesPrice" xlink:to="SFOR_ConversionsOfUnrestrictedSharesPrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConversionsOfUnrestrictedSharesPrice_lbl" xml:lang="en-US">Conversions of unrestricted shares, Price</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AccruedInterestOne" xlink:label="SFOR_AccruedInterestOne" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedInterestOne" xlink:to="SFOR_AccruedInterestOne_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AccruedInterestOne_lbl" xml:lang="en-US">Accrued interest One</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AccruedInterestTwo" xlink:label="SFOR_AccruedInterestTwo" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedInterestTwo" xlink:to="SFOR_AccruedInterestTwo_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AccruedInterestTwo_lbl" xml:lang="en-US">Accrued interest Two</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AccruedInterestThree" xlink:label="SFOR_AccruedInterestThree" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedInterestThree" xlink:to="SFOR_AccruedInterestThree_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AccruedInterestThree_lbl" xml:lang="en-US">Accrued interest Three</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AccruedInterestFour" xlink:label="SFOR_AccruedInterestFour" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedInterestFour" xlink:to="SFOR_AccruedInterestFour_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AccruedInterestFour_lbl" xml:lang="en-US">Accrued interest Four</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AccruedInterestFive" xlink:label="SFOR_AccruedInterestFive" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedInterestFive" xlink:to="SFOR_AccruedInterestFive_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AccruedInterestFive_lbl" xml:lang="en-US">Accrued interest Five</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LegalFees" xlink:label="us-gaap_LegalFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LegalFees" xlink:to="us-gaap_LegalFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LegalFees_lbl" xml:lang="en-US">Legal fee</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_WarrantsIssued" xlink:label="SFOR_WarrantsIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsIssued" xlink:to="SFOR_WarrantsIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_WarrantsIssued_lbl" xml:lang="en-US">Warrants issued</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ConsultingExpenses" xlink:label="SFOR_ConsultingExpenses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConsultingExpenses" xlink:to="SFOR_ConsultingExpenses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ConsultingExpenses_lbl" xml:lang="en-US">Consulting expenses</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_2_lbl" xml:lang="en-US">Common stock outstanding</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3_lbl" xml:lang="en-US">Weighted average exercise price</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NumberOfShares" xlink:to="SFOR_NumberOfShares_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_NumberOfShares_2_lbl" xml:lang="en-US">Number of Options Shares</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_ExercisepricerangePershareAbstract" xlink:label="SFOR_ExercisepricerangePershareAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisepricerangePershareAbstract" xlink:to="SFOR_ExercisepricerangePershareAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="SFOR_ExercisepricerangePershareAbstract_lbl" xml:lang="en-US">Exercise Price Range Per Share</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePriceAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePriceAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePriceAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePriceAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePriceAbstract_lbl" xml:lang="en-US">Weighted Average Exercise Price</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xml:lang="en-US">Income Tax Disclosure [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrentClassificationAbstract" xlink:label="us-gaap_DeferredTaxAssetsNetNoncurrentClassificationAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNetNoncurrentClassificationAbstract" xlink:to="us-gaap_DeferredTaxAssetsNetNoncurrentClassificationAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsNetNoncurrentClassificationAbstract_lbl" xml:lang="en-US">Net deferred tax assets - non-current:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xml:lang="en-US">Expected income tax benefit from NOL carry-forwards</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent_lbl" xml:lang="en-US">Less valuation allowance</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="us-gaap_DeferredTaxAssetsNetNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:to="us-gaap_DeferredTaxAssetsNetNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsNetNoncurrent_lbl" xml:lang="en-US">Deferred tax assets, net of valuation allowance</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureIncomeTaxProvisionDetails1Abstract" xlink:label="SFOR_DisclosureIncomeTaxProvisionDetails1Abstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureIncomeTaxProvisionDetails1Abstract" xlink:to="SFOR_DisclosureIncomeTaxProvisionDetails1Abstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureIncomeTaxProvisionDetails1Abstract_lbl" xml:lang="en-US">Income Tax Provision Details 1</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xml:lang="en-US">Federal statutory income tax rate</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xml:lang="en-US">Change in valuation allowance on net operating loss carry-forwards</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xml:lang="en-US">Effective income tax rate</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_DisclosureIncomeTaxProvisionDetailsNarrativeAbstract" xlink:label="SFOR_DisclosureIncomeTaxProvisionDetailsNarrativeAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DisclosureIncomeTaxProvisionDetailsNarrativeAbstract" xlink:to="SFOR_DisclosureIncomeTaxProvisionDetailsNarrativeAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_DisclosureIncomeTaxProvisionDetailsNarrativeAbstract_lbl" xml:lang="en-US">Income Tax Provision Details Narrative</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="us-gaap_DeferredTaxAssetsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNet" xlink:to="us-gaap_DeferredTaxAssetsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xml:lang="en-US">Deferred tax assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwards" xlink:to="us-gaap_OperatingLossCarryforwards_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xml:lang="en-US">Net operating loss carry-forwards</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_NetOperatingLossCarryforwardsExpire" xlink:label="SFOR_NetOperatingLossCarryforwardsExpire" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NetOperatingLossCarryforwardsExpire" xlink:to="SFOR_NetOperatingLossCarryforwardsExpire_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_NetOperatingLossCarryforwardsExpire_lbl" xml:lang="en-US">Net operating loss carry-forwards expire</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:to="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xml:lang="en-US">Valuation allowance increased</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_NetSalesPercentage" xlink:label="SFOR_NetSalesPercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NetSalesPercentage" xlink:to="SFOR_NetSalesPercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_NetSalesPercentage_lbl" xml:lang="en-US">Net Sales Percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="sfor-20141231.xsd#SFOR_AccountsReceivablePercentage" xlink:label="SFOR_AccountsReceivablePercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccountsReceivablePercentage" xlink:to="SFOR_AccountsReceivablePercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AccountsReceivablePercentage_lbl" xml:lang="en-US">Accounts Receivable Percentage</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PatentsNet" xlink:to="SFOR_PatentsNet_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PatentsNet_doc" xml:lang="en-US">The net amount of patents for the current reporting period.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_Currentmaturitiesofconvertiblenotespayablenet1" xlink:to="SFOR_Currentmaturitiesofconvertiblenotespayablenet1_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_Currentmaturitiesofconvertiblenotespayablenet1_doc" xml:lang="en-US">Current maturities, net of discount of Convertible secured notes payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotesPayableRelatedParties" xlink:to="SFOR_ConvertibleNotesPayableRelatedParties_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_ConvertibleNotesPayableRelatedParties_doc" xml:lang="en-US">The total of related party convertible notes payable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CurrentMaturitiesOfNotesPayableNet1" xlink:to="SFOR_CurrentMaturitiesOfNotesPayableNet1_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_CurrentMaturitiesOfNotesPayableNet1_doc" xml:lang="en-US">Current maturities, net of discount of Convertible secured notes payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DueToFactor" xlink:to="SFOR_DueToFactor_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_DueToFactor_doc" xml:lang="en-US">The total amounts due to factor during the current reporting period.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonStockToBeIssued" xlink:to="SFOR_CommonStockToBeIssued_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_CommonStockToBeIssued_doc" xml:lang="en-US">period increase or decrease Dollar amount of common stock allocated to investors to buy shares of a new issue of common stock before they are offered to the public. When stock is sold on a subscription basis, the issuer does not initially receive the total proceeds. In general, the issuer does not issue the shares to the investor until it receives the entire proceeds.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SeriesBPreferredStock" xlink:to="SFOR_SeriesBPreferredStock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_SeriesBPreferredStock_doc" xml:lang="en-US">The total of Series B Preferred stock at $0.10 par value; 100,000,000 shares authorized; none issued or outstanding.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockSeriesNotDesignatedParValue01010000000SharesAuthorizedNoneIssuedOrOutstanding" xlink:to="SFOR_PreferredStockSeriesNotDesignatedParValue01010000000SharesAuthorizedNoneIssuedOrOutstanding_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PreferredStockSeriesNotDesignatedParValue01010000000SharesAuthorizedNoneIssuedOrOutstanding_doc" xml:lang="en-US">Preferred stock series not designated par value $0.10: 10,000,000 shares authorized; none issued or outstanding</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockSeriesBParValue" xlink:to="SFOR_PreferredStockSeriesBParValue_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PreferredStockSeriesBParValue_doc" xml:lang="en-US">Face amount or stated value per share of nonredeemable preferred stock Series B(or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockSeriesBSharesAuthorized" xlink:to="SFOR_PreferredStockSeriesBSharesAuthorized_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PreferredStockSeriesBSharesAuthorized_doc" xml:lang="en-US">The total number of authorized preferred stock series B.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockSeriesBSharesIssued" xlink:to="SFOR_PreferredStockSeriesBSharesIssued_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PreferredStockSeriesBSharesIssued_doc" xml:lang="en-US">The total preferred stock series B shares issued.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockSeriesBSharesOutstanding" xlink:to="SFOR_PreferredStockSeriesBSharesOutstanding_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PreferredStockSeriesBSharesOutstanding_doc" xml:lang="en-US">The total preferred stock series B shares outstanding.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockUndesignatedParOrStatedValue" xlink:to="SFOR_PreferredStockUndesignatedParOrStatedValue_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PreferredStockUndesignatedParOrStatedValue_doc" xml:lang="en-US">The total preferred stock undesignated par or stated value.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockUndesignatedSharesAuthorized" xlink:to="SFOR_PreferredStockUndesignatedSharesAuthorized_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PreferredStockUndesignatedSharesAuthorized_doc" xml:lang="en-US">The total preferred stock undesignated shares authorized.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockUndesignatedSharesIssued" xlink:to="SFOR_PreferredStockUndesignatedSharesIssued_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PreferredStockUndesignatedSharesIssued_doc" xml:lang="en-US">The total preferred stock undesignated shares issued.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PreferredStockUndesignatedSharesOutstanding" xlink:to="SFOR_PreferredStockUndesignatedSharesOutstanding_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PreferredStockUndesignatedSharesOutstanding_doc" xml:lang="en-US">The total preferred stock undesignated shares outstanding.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfStockOptionsForEmployeeServices" xlink:to="SFOR_IssuanceOfStockOptionsForEmployeeServices_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_IssuanceOfStockOptionsForEmployeeServices_doc" xml:lang="en-US">Issuance of stock options for employee services adjusted under additional paid in capital</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfStockOptionsForPatent" xlink:to="SFOR_IssuanceOfStockOptionsForPatent_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_IssuanceOfStockOptionsForPatent_doc" xml:lang="en-US">Issuance of stock options for patents for under non cash activity.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ChangeInFairValueOfDerivativeFinancialInstruments" xlink:to="SFOR_ChangeInFairValueOfDerivativeFinancialInstruments_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_ChangeInFairValueOfDerivativeFinancialInstruments_doc" xml:lang="en-US">The change in fair value of derivative financial instruments.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices" xlink:to="SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices_doc" xml:lang="en-US">The Issuance of stock options for employee and non-employee services</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfCommonStockAndWarrantsForConsultingServices" xlink:to="SFOR_IssuanceOfCommonStockAndWarrantsForConsultingServices_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_IssuanceOfCommonStockAndWarrantsForConsultingServices_doc" xml:lang="en-US">Issuance of common stock and warrants for consulting services.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ProceedsFromConvertibleNotesPayable" xlink:to="SFOR_ProceedsFromConvertibleNotesPayable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_ProceedsFromConvertibleNotesPayable_doc" xml:lang="en-US">The proceeds from convertible notes payable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_RepaymentOfConvertibleNotesPayable" xlink:to="SFOR_RepaymentOfConvertibleNotesPayable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_RepaymentOfConvertibleNotesPayable_doc" xml:lang="en-US">Repayment of convertible notes payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotePayableDisclosureTextBlock" xlink:to="SFOR_ConvertibleNotePayableDisclosureTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_ConvertibleNotePayableDisclosureTextBlock_doc" xml:lang="en-US">The entire disclosure relating to convertible notes payable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleNotesPayableRelatedPartyDisclosureTextBlock" xlink:to="SFOR_ConvertibleNotesPayableRelatedPartyDisclosureTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_ConvertibleNotesPayableRelatedPartyDisclosureTextBlock_doc" xml:lang="en-US">The entire disclosure relating to Convertible notes payable to related parties.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NotesPayablesRelatedPartyDisclosureTextBlock" xlink:to="SFOR_NotesPayablesRelatedPartyDisclosureTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_NotesPayablesRelatedPartyDisclosureTextBlock_doc" xml:lang="en-US">The entire disclosure relating to notes payable to related party.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ConvertibleSecuredNotes" xlink:to="SFOR_ConvertibleSecuredNotes_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_ConvertibleSecuredNotes_doc" xml:lang="en-US">The entire disclosure related to convertible secured notes payable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_FairValueOfFinancialAssetsAndLiabilitiesMeasuredOnARecurringBasisPolicyTextBlock" xlink:to="SFOR_FairValueOfFinancialAssetsAndLiabilitiesMeasuredOnARecurringBasisPolicyTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_FairValueOfFinancialAssetsAndLiabilitiesMeasuredOnARecurringBasisPolicyTextBlock_doc" xml:lang="en-US">Disclosure of accounting policy relating to Fair Value of Financial Assets and Liabilities Measured on a Recurring Basis.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DiscountOnDebtPolicyTextBlock" xlink:to="SFOR_DiscountOnDebtPolicyTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_DiscountOnDebtPolicyTextBlock_doc" xml:lang="en-US">Disclosure of accounting policy relating to Discount on Debt.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_RelatedPartiesPolicyTextBlock" xlink:to="SFOR_RelatedPartiesPolicyTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_RelatedPartiesPolicyTextBlock_doc" xml:lang="en-US">Disclosure of accounting policy relating to Related Parties Policy Text Block.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_StockBasedCompensationForObtainingEmployeeServicesPolicyTextBlock" xlink:to="SFOR_StockBasedCompensationForObtainingEmployeeServicesPolicyTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_StockBasedCompensationForObtainingEmployeeServicesPolicyTextBlock_doc" xml:lang="en-US">Disclosure of accounting policy relating to Stock-Based Compensation for Obtaining Employee Services.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_EquityInstrumentsIssuedToPartiesOtherThanEmployeesForAcquiringGoodsOrServicesPolicyTextBlock" xlink:to="SFOR_EquityInstrumentsIssuedToPartiesOtherThanEmployeesForAcquiringGoodsOrServicesPolicyTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_EquityInstrumentsIssuedToPartiesOtherThanEmployeesForAcquiringGoodsOrServicesPolicyTextBlock_doc" xml:lang="en-US">Disclosure of accounting policy relating to Equity instruments issued to parties other than employees for acquiring goods or services.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SoftwareDevelopmentCosts" xlink:to="SFOR_SoftwareDevelopmentCosts_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_SoftwareDevelopmentCosts_doc" xml:lang="en-US">Text disclosure of Capitalized costs of purchased software applications and capitalized costs to develop software for sale or licensing, or for long-term internal use.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_RecentlyIssuedAccountingPronouncementsPolicyTextBlock" xlink:to="SFOR_RecentlyIssuedAccountingPronouncementsPolicyTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_RecentlyIssuedAccountingPronouncementsPolicyTextBlock_doc" xml:lang="en-US">Disclosure of accounting policy relating to Recently Issued Accounting Pronouncements.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_PotentiallyOutstandingDilutiveCommonSharesExcluded" xlink:to="SFOR_PotentiallyOutstandingDilutiveCommonSharesExcluded_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_PotentiallyOutstandingDilutiveCommonSharesExcluded_doc" xml:lang="en-US">The tabular disclosure of potentially outstanding dilutive common shares excluded.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DetailedInformationRelatingToConvertibleNotesPayable" xlink:to="SFOR_DetailedInformationRelatingToConvertibleNotesPayable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_DetailedInformationRelatingToConvertibleNotesPayable_doc" xml:lang="en-US">The tabular disclosure relating to convertible notes payable related parties.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DetailedInformationRelatingToNotesPayableTableTextBlock" xlink:to="SFOR_DetailedInformationRelatingToNotesPayableTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_DetailedInformationRelatingToNotesPayableTableTextBlock_doc" xml:lang="en-US">The tabular disclosure relating to detailed information relating to notes payable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DetailedInformationRelatingToNotesPayableRelatedPartiesTableTextBlock" xlink:to="SFOR_DetailedInformationRelatingToNotesPayableRelatedPartiesTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_DetailedInformationRelatingToNotesPayableRelatedPartiesTableTextBlock_doc" xml:lang="en-US">The tabular disclosure relating to Detailed information relating to notes payable related parties.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DetailsOfConvertibleSecuredNotesPayablesTableTextBlock" xlink:to="SFOR_DetailsOfConvertibleSecuredNotesPayablesTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_DetailsOfConvertibleSecuredNotesPayablesTableTextBlock_doc" xml:lang="en-US">The tabular disclosure relating to Details of convertible secured notes payable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_FairValueMeasurementUsingLevelThreeInputsTableTextBlock" xlink:to="SFOR_FairValueMeasurementUsingLevelThreeInputsTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_FairValueMeasurementUsingLevelThreeInputsTableTextBlock_doc" xml:lang="en-US">The tabular disclosure relating to fair value measurement using level three inputs.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantActivitiesTableTextBlock" xlink:to="SFOR_WarrantActivitiesTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_WarrantActivitiesTableTextBlock_doc" xml:lang="en-US">The tabular disclosure relating to warrant activities.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OutstandingAndExercisableWarrantsTableTextBlock" xlink:to="SFOR_OutstandingAndExercisableWarrantsTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_OutstandingAndExercisableWarrantsTableTextBlock_doc" xml:lang="en-US">The tabular disclosure relating to outstanding and exercisable warrant activities.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WeightedAverageAssumptions" xlink:to="SFOR_WeightedAverageAssumptions_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_WeightedAverageAssumptions_doc" xml:lang="en-US">The tabular disclosure relating to weighted average assumptions.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IncentivePlanStockOptionActivitiesTableTextBlock" xlink:to="SFOR_IncentivePlanStockOptionActivitiesTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_IncentivePlanStockOptionActivitiesTableTextBlock_doc" xml:lang="en-US">The tabular disclosure relating to incentive plan stock option activities.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OutstandingAndExercisableIncentivePlanOptionsTableTextBlock" xlink:to="SFOR_OutstandingAndExercisableIncentivePlanOptionsTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_OutstandingAndExercisableIncentivePlanOptionsTableTextBlock_doc" xml:lang="en-US">The tabular disclosure relating to outstanding and exercisable incentive plan options.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CustomersAndCreditConcentrationsTableTextBlock" xlink:to="SFOR_CustomersAndCreditConcentrationsTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_CustomersAndCreditConcentrationsTableTextBlock_doc" xml:lang="en-US">The tabular disclosure relating to custormers and credit concentrations.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SharesOfCommonStockIssuableUnderTheConversionFeatureOfConvertibleNotesPayable" xlink:to="SFOR_SharesOfCommonStockIssuableUnderTheConversionFeatureOfConvertibleNotesPayable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_SharesOfCommonStockIssuableUnderTheConversionFeatureOfConvertibleNotesPayable_doc" xml:lang="en-US">Shares of common stock issuable under the conversion feature of convertible notes payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SubTotalConversionFeatureShares" xlink:to="SFOR_SubTotalConversionFeatureShares_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_SubTotalConversionFeatureShares_doc" xml:lang="en-US">Total of conversion feature shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OptionsIssuedFromMay202003ThroughApril212011ToEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom375To15000PerShareExpiringThree3YearsToTen10YearsFromTheDateOfIssuance" xlink:to="SFOR_OptionsIssuedFromMay202003ThroughApril212011ToEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom375To15000PerShareExpiringThree3YearsToTen10YearsFromTheDateOfIssuance_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_OptionsIssuedFromMay202003ThroughApril212011ToEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom375To15000PerShareExpiringThree3YearsToTen10YearsFromTheDateOfIssuance_doc" xml:lang="en-US">Options issued from May 20, 2003 through April 21, 2011 to employees to purchase common shares with exercise prices ranging from $3.75 to $15,000 per share expiring three (3) years to ten (10) years from the date of issuance</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OptionsIssuedFromDecember22004ThroughJanuary302013ToPartiesOtherThanEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom300To13500PerShareExpiringFive5YearsToTen10YearsFromTheDateOfIssuance" xlink:to="SFOR_OptionsIssuedFromDecember22004ThroughJanuary302013ToPartiesOtherThanEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom300To13500PerShareExpiringFive5YearsToTen10YearsFromTheDateOfIssuance_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_OptionsIssuedFromDecember22004ThroughJanuary302013ToPartiesOtherThanEmployeesToPurchaseCommonSharesWithExercisePricesRangingFrom300To13500PerShareExpiringFive5YearsToTen10YearsFromTheDateOfIssuance_doc" xml:lang="en-US">Options issued from December 2, 2004 through January 30, 2013 to parties other than employees to purchase common shares with exercise prices ranging from $3.00 to $13,500 per share expiring five (5) years to ten (10) years from the date of issuance</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_OptionsIssuedOnJanuary32013FromThe2012StockIncentivePlanToEmployeesToPurchaseCommonSharesWithAnExercisePriceOf00023PerShareExpiringTen10YearsFromTheDateOfIssuance" xlink:to="SFOR_OptionsIssuedOnJanuary32013FromThe2012StockIncentivePlanToEmployeesToPurchaseCommonSharesWithAnExercisePriceOf00023PerShareExpiringTen10YearsFromTheDateOfIssuance_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_OptionsIssuedOnJanuary32013FromThe2012StockIncentivePlanToEmployeesToPurchaseCommonSharesWithAnExercisePriceOf00023PerShareExpiringTen10YearsFromTheDateOfIssuance_doc" xml:lang="en-US">Options issued on January 3, 2013 from the 2012 Stock Incentive Plan to employees to purchase common shares with an exercise price of $0.0023 per share expiring ten (10) years from the date of issuance</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SubTotalStockOptionShares" xlink:to="SFOR_SubTotalStockOptionShares_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_SubTotalStockOptionShares_doc" xml:lang="en-US">Sub-total: Stock option shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantSharesAbstract" xlink:to="SFOR_WarrantSharesAbstract_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_WarrantSharesAbstract_doc" xml:lang="en-US">Options issued on January 3, 2013 from the 2012 Stock Incentive Plan to employees to purchase common shares with an exercise price of $0.0023 per share expiring ten (10) years from the date of issuance [Abstract]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsSoldForCash" xlink:to="SFOR_WarrantsSoldForCash_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_WarrantsSoldForCash_doc" xml:lang="en-US">Warrants sold for cash.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsIssuedForServices" xlink:to="SFOR_WarrantsIssuedForServices_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_WarrantsIssuedForServices_doc" xml:lang="en-US">Warrants issued for services</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WarrantsIssuedInConnectionWithTheSaleOfCommonStock" xlink:to="SFOR_WarrantsIssuedInConnectionWithTheSaleOfCommonStock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_WarrantsIssuedInConnectionWithTheSaleOfCommonStock_doc" xml:lang="en-US">Warrants issued in connection with the sale of common stock.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_SubTotalWarrantShares" xlink:to="SFOR_SubTotalWarrantShares_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_SubTotalWarrantShares_doc" xml:lang="en-US">Sub-total: Warrant shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_TotalPotentiallyOutstandingDilutiveCommonShares" xlink:to="SFOR_TotalPotentiallyOutstandingDilutiveCommonShares_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_TotalPotentiallyOutstandingDilutiveCommonShares_doc" xml:lang="en-US">Total potentially outstanding dilutive common shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WebsiteGross" xlink:to="SFOR_WebsiteGross_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_WebsiteGross_doc" xml:lang="en-US">The gross amount of capitalized computer software costs as of the balance sheet date.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_WebsiteNet" xlink:to="SFOR_WebsiteNet_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_WebsiteNet_doc" xml:lang="en-US">The net amount of capitalized computer software costs as of the balance sheet date.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AmortizationExpenseWebsite" xlink:to="SFOR_AmortizationExpenseWebsite_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_AmortizationExpenseWebsite_doc" xml:lang="en-US">Amortization expense website.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedInterestRelatedParty" xlink:to="SFOR_AccruedInterestRelatedParty_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_AccruedInterestRelatedParty_doc" xml:lang="en-US">Accrued interest.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DiscountOnConvertiblePromissoryNotesPayable" xlink:to="SFOR_DiscountOnConvertiblePromissoryNotesPayable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_DiscountOnConvertiblePromissoryNotesPayable_doc" xml:lang="en-US">Discount on convertible promissory notes payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedInterestNotesPayable" xlink:to="SFOR_AccruedInterestNotesPayable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_AccruedInterestNotesPayable_doc" xml:lang="en-US">Accrued interest notes payable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_InterestExpenseNotesPayable" xlink:to="SFOR_InterestExpenseNotesPayable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_InterestExpenseNotesPayable_doc" xml:lang="en-US">Interest expense notes payable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NotesPayableRelatedPartiesInterestExpense" xlink:to="SFOR_NotesPayableRelatedPartiesInterestExpense_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_NotesPayableRelatedPartiesInterestExpense_doc" xml:lang="en-US">Interest expense.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_DartLimitedCustodianForCitcoGlobalAndAsAssignedFromYaGlobalHighgate" xlink:to="SFOR_DartLimitedCustodianForCitcoGlobalAndAsAssignedFromYaGlobalHighgate_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_DartLimitedCustodianForCitcoGlobalAndAsAssignedFromYaGlobalHighgate_doc" xml:lang="en-US">DART Limited (custodian for Citco Global and as assigned from YA Global/Highgate)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CurrentMaturitiesNetOfDiscountOfConvertibleSecuredNotesPayable" xlink:to="SFOR_CurrentMaturitiesNetOfDiscountOfConvertibleSecuredNotesPayable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_CurrentMaturitiesNetOfDiscountOfConvertibleSecuredNotesPayable_doc" xml:lang="en-US">Current maturities, net of discount of Convertible secured notes payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NumberOfShares" xlink:to="SFOR_NumberOfShares_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_NumberOfShares_doc" xml:lang="en-US">Number of Shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ExercisePrice" xlink:to="SFOR_ExercisePrice_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="SFOR_ExercisePrice_doc" xml:lang="en-US">Weighted Average Exercise Price</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_2_lbl" xml:lang="en-US">Assets, Current</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_2_lbl" xml:lang="en-US">Assets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_2_lbl" xml:lang="en-US">Liabilities, Current</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Liabilities_2_lbl" xml:lang="en-US">Liabilities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquity_4_lbl" xml:lang="en-US">Stockholders' Equity Attributable to Parent</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_2_lbl" xml:lang="en-US">Liabilities and Equity</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrossProfit" xlink:to="us-gaap_GrossProfit_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GrossProfit_2_lbl" xml:lang="en-US">Gross Profit</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpenses_2_lbl" xml:lang="en-US">Operating Expenses</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingIncomeLoss_2_lbl" xml:lang="en-US">Operating Income (Loss)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_ForgivenessOfDebt1" xlink:to="SFOR_ForgivenessOfDebt1_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_ForgivenessOfDebt1_2_lbl" xml:lang="en-US">ForgivenessOfDebt1</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingExpense" xlink:to="us-gaap_OtherNonoperatingExpense_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingExpense_2_lbl" xml:lang="en-US">Other Nonoperating Expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesOutstanding_3_lbl" xml:lang="en-US">Shares, Outstanding</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfitLoss_2_lbl" xml:lang="en-US">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices" xlink:to="SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices_3_lbl" xml:lang="en-US">IssuanceOfStockOptionsForEmployeeAndNonEmployeeServices</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_2_lbl" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayable" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_2_lbl" xml:lang="en-US">Increase (Decrease) in Accounts Payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccruedLiabilities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_2_lbl" xml:lang="en-US">Increase (Decrease) in Accrued Liabilities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_GarnishmentWithheld2" xlink:to="SFOR_GarnishmentWithheld2_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_GarnishmentWithheld2_2_lbl" xml:lang="en-US">GarnishmentWithheld2</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_CommonStockToBeIssued1" xlink:to="SFOR_CommonStockToBeIssued1_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_CommonStockToBeIssued1_2_lbl" xml:lang="en-US">CommonStockToBeIssued1</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_2_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_2_lbl" xml:lang="en-US">Payments to Acquire Property, Plant, and Equipment</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_2_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfNotesPayable" xlink:to="us-gaap_RepaymentsOfNotesPayable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfNotesPayable_2_lbl" xml:lang="en-US">Repayments of Notes Payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_2_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_2_lbl" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_3_lbl" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_2_lbl" xml:lang="en-US">Property, Plant and Equipment [Table Text Block]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock" xlink:to="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock_2_lbl" xml:lang="en-US">Research and Development Arrangement, Contract to Perform for Others [Table Text Block]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_2_lbl" xml:lang="en-US">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedPatentsGross" xlink:to="us-gaap_FiniteLivedPatentsGross_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedPatentsGross_2_lbl" xml:lang="en-US">Finite-Lived Patents, Gross</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConvertibleNotesPayable" xlink:to="us-gaap_ConvertibleNotesPayable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConvertibleNotesPayable_2_lbl" xml:lang="en-US">Convertible Notes Payable [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_AccruedInterestRelatedParty" xlink:to="SFOR_AccruedInterestRelatedParty_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_AccruedInterestRelatedParty_3_lbl" xml:lang="en-US">AccruedInterestRelatedParty</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseRelatedParty" xlink:to="us-gaap_InterestExpenseRelatedParty_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpenseRelatedParty_2_lbl" xml:lang="en-US">Interest Expense, Related Party</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent" xlink:to="us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_2_lbl" xml:lang="en-US">Notes Payable, Related Parties</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SFOR_NotesPayableRelatedPartiesInterestExpense" xlink:to="SFOR_NotesPayableRelatedPartiesInterestExpense_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="SFOR_NotesPayableRelatedPartiesInterestExpense_3_lbl" xml:lang="en-US">NotesPayableRelatedPartiesInterestExpense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestReceivableCurrent" xlink:to="us-gaap_InterestReceivableCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestReceivableCurrent_2_lbl" xml:lang="en-US">Interest Receivable, Current</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3_lbl" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_2_lbl" xlink:type="arc" />
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