<?xml version="1.0" encoding="US-ASCII" ?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoXBRL; Version: 4.24a -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: http://www.novaworks.co -->
    <!-- Field: Doc-Info; Name: Source; Value: sfor_20180630_10Q.xfr; Date: 2018%2D11%2D19T11:41:35Z -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x800E0005 -->
    <!-- Field: Doc-Info; Name: Misc; Value: +aUpw7xRiXgOn8uNa3ssSaqFKaPtxJN1yZkhvm5zHUk63ygv7uIDOijM5anm8dYH -->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:dei="http://xbrl.sec.gov/dei/2018-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2018-01-31" xmlns:us-roles="http://fasb.org/us-roles/2018-01-31" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:us-types="http://fasb.org/us-types/2018-01-31" xmlns:SFOR="http://strikeforce.com/20180930" elementFormDefault="qualified" targetNamespace="http://strikeforce.com/20180930">
    <annotation>
      <appinfo>
	<link:roleType roleURI="http://strikeforce.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
	  <link:definition>00000001 - Document - Document and Entity Information</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/CondensedConsolidatedBalanceSheets" id="CondensedConsolidatedBalanceSheets">
	  <link:definition>00000002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/CondensedConsolidatedBalanceSheetsParenthetical" id="CondensedConsolidatedBalanceSheetsParenthetical">
	  <link:definition>00000003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/CondensedConsolidatedStatementsOfOperations" id="CondensedConsolidatedStatementsOfOperations">
	  <link:definition>00000004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/CondensedConsolidatedStatementOfChangesInStockholdersDeficit" id="CondensedConsolidatedStatementOfChangesInStockholdersDeficit">
	  <link:definition>00000005 - Statement - CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' DEFICIT (Unaudited)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/CondensedConsolidatedStatementsOfCashFlows" id="CondensedConsolidatedStatementsOfCashFlows">
	  <link:definition>00000006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/OrganizationAndSummaryOfSignificantAccountingPolicies" id="OrganizationAndSummaryOfSignificantAccountingPolicies">
	  <link:definition>00000007 - Disclosure - Organization and Summary of Significant Accounting Policies</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/ConvertibleNotesPayable" id="ConvertibleNotesPayable">
	  <link:definition>00000008 - Disclosure - Convertible Notes Payable</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/ConvertibleNotesPayable-RelatedParties" id="ConvertibleNotesPayable-RelatedParties">
	  <link:definition>00000009 - Disclosure - Convertible Notes Payable - Related Parties</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/NotesPayable" id="NotesPayable">
	  <link:definition>00000010 - Disclosure - Notes Payable</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/NotesPayable-RelatedParties" id="NotesPayable-RelatedParties">
	  <link:definition>00000011 - Disclosure - Notes Payable - Related Parties</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/FinancingObligation" id="FinancingObligation">
	  <link:definition>00000012 - Disclosure - Financing Obligation</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/ContingentPaymentObligation" id="ContingentPaymentObligation">
	  <link:definition>00000013 - Disclosure - Contingent Payment Obligation</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/20140630/role/idr_DisclosureDerivativeFinancialInstruments" id="idr_DisclosureDerivativeFinancialInstruments">
	  <link:definition>00000014 - Disclosure - Derivative Financial Instruments</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/20140630/role/idr_DisclosureStockholdersDeficit" id="idr_DisclosureStockholdersDeficit">
	  <link:definition>00000015 - Disclosure - Stockholders' Deficit</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/Options" id="Options">
	  <link:definition>00000016 - Disclosure - Options</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
	  <link:definition>00000017 - Disclosure - Commitments and Contingencies</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/SubsequentEvents" id="SubsequentEvents">
	  <link:definition>00000018 - Disclosure - Subsequent Events</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/20140630/role/idr_DisclosureSummaryOfSignificantAccountingPoliciesPolicies" id="idr_DisclosureSummaryOfSignificantAccountingPoliciesPolicies">
	  <link:definition>00000019 - Disclosure - Organization and Summary of Significant Accounting Policies (Policies)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/OrganizationAndSummaryOfSignificantAccountingPoliciesTables" id="OrganizationAndSummaryOfSignificantAccountingPoliciesTables">
	  <link:definition>00000020 - Disclosure - Organization and Summary of Significant Accounting Policies (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/20140630/role/idr_DisclosureConvertibleNotesPayableTables" id="idr_DisclosureConvertibleNotesPayableTables">
	  <link:definition>00000021 - Disclosure - Convertible Notes Payable (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/20140630/role/idr_DisclosureNotesPayableTables" id="idr_DisclosureNotesPayableTables">
	  <link:definition>00000022 - Disclosure - Notes Payable (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/NotesPayable-RelatedPartiesTables" id="NotesPayable-RelatedPartiesTables">
	  <link:definition>00000023 - Disclosure - Notes payable- related parties (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/DerivativeFinancialInstrumentsTables" id="DerivativeFinancialInstrumentsTables">
	  <link:definition>00000024 - Disclosure - Derivative Financial Instruments (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/OptionsTables" id="OptionsTables">
	  <link:definition>00000025 - Disclosure - Options (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/OrganizationAndSummaryOfSignificantAccountingPoliciesDetails" id="OrganizationAndSummaryOfSignificantAccountingPoliciesDetails">
	  <link:definition>00000026 - Disclosure - Organization and Summary of Significant Accounting Policies (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/OrganizationAndSummaryOfSignificantAccountingPoliciesDetailsNarrative" id="OrganizationAndSummaryOfSignificantAccountingPoliciesDetailsNarrative">
	  <link:definition>00000027 - Disclosure - Organization and Summary of Significant Accounting Policies (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/ConvertibleNotesPayableDetails" id="ConvertibleNotesPayableDetails">
	  <link:definition>00000028 - Disclosure - Convertible Notes Payable (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/ConvertibleNotesPayableDetailsNarrative" id="ConvertibleNotesPayableDetailsNarrative">
	  <link:definition>00000029 - Disclosure - Convertible Notes Payable (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/ConvertibleNotesPayable-RelatedPartiesDetailsNarrative" id="ConvertibleNotesPayable-RelatedPartiesDetailsNarrative">
	  <link:definition>00000030 - Disclosure - Convertible Notes Payable - Related Parties (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/NotesPayableDetails" id="NotesPayableDetails">
	  <link:definition>00000031 - Disclosure - Notes Payable (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/NotesPayableDetailsNarrative" id="NotesPayableDetailsNarrative">
	  <link:definition>00000032 - Disclosure - Notes Payable (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/NotesPayable-RelatedPartiesDetails" id="NotesPayable-RelatedPartiesDetails">
	  <link:definition>00000033 - Disclosure - Notes Payable - Related Parties (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/NotesPayable-RelatedPartiesDetailsNarrative" id="NotesPayable-RelatedPartiesDetailsNarrative">
	  <link:definition>00000034 - Disclosure - Notes Payable - Related Parties (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/FinancingObligationDetailsNarrative" id="FinancingObligationDetailsNarrative">
	  <link:definition>00000035 - Disclosure - Financing Obligation (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/ContingentPaymentObligationDetailsNarrative" id="ContingentPaymentObligationDetailsNarrative">
	  <link:definition>00000036 - Disclosure - Contingent Payment Obligation (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/DerivativefinancialInstrumentsDetails" id="DerivativefinancialInstrumentsDetails">
	  <link:definition>00000037 - Disclosure - Derivative Financial Instruments (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/DerivativefinancialInstrumentsDetailsNarrative" id="DerivativefinancialInstrumentsDetailsNarrative">
	  <link:definition>00000038 - Disclosure - Derivative Financial Instruments (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/StockholdersDeficitDetailsNarrative" id="StockholdersDeficitDetailsNarrative">
	  <link:definition>00000039 - Disclosure - Stockholders Deficit (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/OptionsDetails" id="OptionsDetails">
	  <link:definition>00000040 - Disclosure - Options (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/OptionsDetails1" id="OptionsDetails1">
	  <link:definition>00000041 - Disclosure - Options (Details 1)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/OptionsDetailsNarrative" id="OptionsDetailsNarrative">
	  <link:definition>00000042 - Disclosure - Options (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/CommitmentsAndContingenciesDetailsNarrative" id="CommitmentsAndContingenciesDetailsNarrative">
	  <link:definition>00000043 - Disclosure - Commitments and Contingencies (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://strikeforce.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
	  <link:definition>00000044 - Disclosure - Subsequent Events (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:linkbaseRef xlink:type="simple" xlink:href="sfor-20180930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="sfor-20180930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="sfor-20180930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="sfor-20180930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
    <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
    <import namespace="http://xbrl.sec.gov/dei/2018-01-31" schemaLocation="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd" />
    <import namespace="http://fasb.org/us-gaap/2018-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd" />
    <import namespace="http://fasb.org/us-types/2018-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2018/elts/us-types-2018-01-31.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
    <import namespace="http://xbrl.sec.gov/country/2017-01-31" schemaLocation="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd" />
    <import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
    <import namespace="http://fasb.org/srt/2018-01-31" schemaLocation="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd" />
    <element id="SFOR_FairValueOfVestedOptions" name="FairValueOfVestedOptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertibleNotesPayableRelatedParties" name="ConvertibleNotesPayableRelatedParties" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_PreferredStockUndesignatedParOrStatedValue" name="PreferredStockUndesignatedParOrStatedValue" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DerivativeInstrumentConversionfeature" name="DerivativeInstrumentConversionfeature" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ContingentPaymentObligationTextBlock" name="ContingentPaymentObligationTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_AdditionalFundingDescription" name="AdditionalFundingDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FinancingObligation" name="FinancingObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NotesPayableNetOfDiscount" name="NotesPayableNetOfDiscount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertibleNotesPayableNetOfDiscountInDefault" name="ConvertibleNotesPayableNetOfDiscountInDefault" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NotesPayableNetOfDiscountInDefault" name="NotesPayableNetOfDiscountInDefault" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FinancingObligationTextBlock" name="FinancingObligationTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DefaultOnNotesPayableAndConvertibleNotesPayable" name="DefaultOnNotesPayableAndConvertibleNotesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DilutiveImpactOfOutstandingStockOptions" name="DilutiveImpactOfOutstandingStockOptions" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_PreferredStockConvertIntoCommonStock" name="PreferredStockConvertIntoCommonStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_BConvertibleNotesWithFixedConversionFeatures" name="BConvertibleNotesWithFixedConversionFeatures" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CConvertibleNotesWithAdjustableConversionFeatures" name="CConvertibleNotesWithAdjustableConversionFeatures" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_Dart" name="Dart" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DPromissoryNotesStrikeforceInvestorGroup" name="DPromissoryNotesStrikeforceInvestorGroup" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_PromissoryNote" name="PromissoryNote" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CPromissoryNotesBlocksafe" name="CPromissoryNotesBlocksafe" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DebtDiscount" name="DebtDiscount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertibleNotesPayableNetOfDiscount" name="ConvertibleNotesPayableNetOfDiscount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FinancingObligationDescription" name="FinancingObligationDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_TotalConvertibleNotesPrincipalOutstanding" name="TotalConvertibleNotesPrincipalOutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_OwnershipInterestHeldByOfficers" name="OwnershipInterestHeldByOfficers" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_OwnershipInterestHeldByCompanyAndOfficers" name="OwnershipInterestHeldByCompanyAndOfficers" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConditionalManagementFees" name="ConditionalManagementFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConversionPriceDescriptionOfConvertiblePromissoryNotes" name="ConversionPriceDescriptionOfConvertiblePromissoryNotes" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ChangedAuthorizedCaptal" name="ChangedAuthorizedCaptal" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_OptionToPurchaseCommonShares" name="OptionToPurchaseCommonShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ExpiryYear" name="ExpiryYear" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_OptionToBuyPatentPrice" name="OptionToBuyPatentPrice" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_AmountReceivablePercentage1" name="AmountReceivablePercentage1" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_AmountReceivedForLicensePayment" name="AmountReceivedForLicensePayment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DebtMaturity" name="DebtMaturity" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertibleNotesPayableTextBlock" name="ConvertibleNotesPayableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NotesPayableRelatedPartiesTableTextBlock" name="NotesPayableRelatedPartiesTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_PrimePlusInterestRate" name="PrimePlusInterestRate" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NumberOfNotes" name="NumberOfNotes" nillable="true" xbrli:periodType="instant" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_TotalStrikeforceTechnologiesInc.StockholdersDeficit" name="TotalStrikeforceTechnologiesInc.StockholdersDeficit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CommonStockIssuedUponConversionOfNotesAndInterestShare" name="CommonStockIssuedUponConversionOfNotesAndInterestShare" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CommonStockIssuedUponConversionOfNotesAndInterestAmount" name="CommonStockIssuedUponConversionOfNotesAndInterestAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DiscountOnNotesPayableRecordedAsInterestExpense" name="DiscountOnNotesPayableRecordedAsInterestExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_AmortizationOfDiscountOnNotesPayable" name="AmortizationOfDiscountOnNotesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FairValueOfDerivativeCreatedUponIssuanceOfConvertibleDebtRecordedAsDebtDiscount" name="FairValueOfDerivativeCreatedUponIssuanceOfConvertibleDebtRecordedAsDebtDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FairValueOfFinancingObligationRecordedAsDebtDiscount" name="FairValueOfFinancingObligationRecordedAsDebtDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CommonStockIssuedForConversionOfDebtAndAccruedInterest" name="CommonStockIssuedForConversionOfDebtAndAccruedInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertibleDiscount" name="ConvertibleDiscount" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_BalanceOfUnsecuredConvertibleNotes" name="BalanceOfUnsecuredConvertibleNotes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CommonStockConversionShares" name="CommonStockConversionShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConversionPriceDesceiption" name="ConversionPriceDesceiption" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DebtAndAccruedInterest" name="DebtAndAccruedInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_BasisOfPresentationunauditedInterimFinancialInformationPoliciesTextBlock" name="BasisOfPresentationunauditedInterimFinancialInformationPoliciesTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_BlocksafeTechnologiesIncPolicyTextBlock" name="BlocksafeTechnologiesIncPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_SoftwareRevenues" name="SoftwareRevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ServiceRevenues" name="ServiceRevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceGranted" name="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceGranted" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercisedCashless" name="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExercisedCashless" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExpired" name="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePriceExpired" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_VestedAndExercisable" name="VestedAndExercisable" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CommonStockMarketPricePerShareDiscount" name="CommonStockMarketPricePerShareDiscount" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ReductionOfFairValueOfDerivatives" name="ReductionOfFairValueOfDerivatives" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CompensationCostOfVestedOption" name="CompensationCostOfVestedOption" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CustomerAMember" name="CustomerAMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CustomerBMember" name="CustomerBMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CustomerCMember" name="CustomerCMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertibleNotesPayableRelatedPartiesMember" name="ConvertibleNotesPayableRelatedPartiesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ExercisePricesOneMember" name="ExercisePricesOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ExercisePriceThreeMember" name="ExercisePriceThreeMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ExercisePriceTwoMember" name="ExercisePriceTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_IincentivePlanMember" name="IincentivePlanMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_StockIncentivePlanMember" name="StockIncentivePlanMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ExercisePricesFourMember" name="ExercisePricesFourMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_OneCustomerMember" name="OneCustomerMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_TwoCustomerMember" name="TwoCustomerMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ThreeCustomerMember" name="ThreeCustomerMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertiblenotesadjustableMember" name="ConvertiblenotesadjustableMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertiblenotesadjustableOneMember" name="ConvertiblenotesadjustableOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_VPofTechnologyMember" name="VPofTechnologyMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_SpouseofChiefTechnologyOfficerMember" name="SpouseofChiefTechnologyOfficerMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertibleNotesPayableRelatedPartiesOneMember" name="ConvertibleNotesPayableRelatedPartiesOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_SecuredpromissorynoteMember" name="SecuredpromissorynoteMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_UnsecuredpromissorynotesMember" name="UnsecuredpromissorynotesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ManagementTeamMember" name="ManagementTeamMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ManagementTeamOneMember" name="ManagementTeamOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ManagementTeamTwoMember" name="ManagementTeamTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CyberSafetyIncMember" name="CyberSafetyIncMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_StrikeForceInvestorGroupMember" name="StrikeForceInvestorGroupMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NotesPayableMember" name="NotesPayableMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NotesOnePayableMember" name="NotesOnePayableMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_WarrantsMember" name="WarrantsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FourCustomerMember" name="FourCustomerMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ExchangeAgreementMember" name="ExchangeAgreementMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FactorMember" name="FactorMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_LitigationFundingAgreementMember" name="LitigationFundingAgreementMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_TheriumIncAndVGLCapitalLLCMember" name="TheriumIncAndVGLCapitalLLCMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FebruaryOneTwoThousandEighteenThroughJanuaryThirtyOneTwoThousandNinteenMember" name="FebruaryOneTwoThousandEighteenThroughJanuaryThirtyOneTwoThousandNinteenMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_LegalProceedingsMember" name="LegalProceedingsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FormerOfficerMember" name="FormerOfficerMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_BlockSafeMember" name="BlockSafeMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ThreeExecutiveOfficersMember" name="ThreeExecutiveOfficersMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NoteTwoMember" name="NoteTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NoteOneMember" name="NoteOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NineteenUnrelatedPartiesMember" name="NineteenUnrelatedPartiesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_RelatedPartiyMember" name="RelatedPartiyMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_RelatedPartiesMember" name="RelatedPartiesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_UnsecuredNotesPayableMember" name="UnsecuredNotesPayableMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_March2018dateIssuedMember" name="March2018dateIssuedMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FixedConvertibleNotesMember" name="FixedConvertibleNotesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_RelatedPartyMember" name="RelatedPartyMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NotesPayableRelatedPartiesMember" name="NotesPayableRelatedPartiesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_PromissoryNoteVariousPartiesMember" name="PromissoryNoteVariousPartiesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_RelatedPartieMember" name="RelatedPartieMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CommonStockServicesMember" name="CommonStockServicesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ExercisePricesTwoMember" name="ExercisePricesTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_September2016AndDecember2017Member" name="September2016AndDecember2017Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ExercisePricesFiveMember" name="ExercisePricesFiveMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertibleNotesPayableOneMember" name="ConvertibleNotesPayableOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConvertibleNotePayableOneMember" name="ConvertibleNotePayableOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_CondensedBalanceSheetsAbstract" name="CondensedBalanceSheetsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_StatementsOfOperationsAbstract" name="StatementsOfOperationsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_StatementStatementsOfChangesInStockholdersDeficitAbstract" name="StatementStatementsOfChangesInStockholdersDeficitAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_StatementsOfCashFlowsAbstract" name="StatementsOfCashFlowsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesPoliciesAbstract" name="DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesPoliciesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesTablesAbstract" name="DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureConvertibleNotesPayableTablesAbstract" name="DisclosureConvertibleNotesPayableTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureNotesPayableTablesAbstract" name="DisclosureNotesPayableTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureNotesPayableRelatedPartiesTablesAbstract" name="DisclosureNotesPayableRelatedPartiesTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureDerivativeFinancialInstrumentsTablesAbstract" name="DisclosureDerivativeFinancialInstrumentsTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureOptionsTablesAbstract" name="DisclosureOptionsTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesDetailsAbstract" name="DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesDetailsNarrativeAbstract" name="DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisbursementAmount" name="DisbursementAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureConvertibleNotesPayableDetailsAbstract" name="DisclosureConvertibleNotesPayableDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureConvertibleNotesPayableDetailsNarrativeAbstract" name="DisclosureConvertibleNotesPayableDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureConvertibleNotesPayableRelatedPartiesDetailsNarrativeAbstract" name="DisclosureConvertibleNotesPayableRelatedPartiesDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureNotesPayableDetailsAbstract" name="DisclosureNotesPayableDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_UnsecuredAbstract" name="UnsecuredAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureNotesPayableDetailsNarrativeAbstract" name="DisclosureNotesPayableDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureNotesPayableRelatedPartiesDetailsNarrativeAbstract" name="DisclosureNotesPayableRelatedPartiesDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FinancingObligationDetailsNarrativeAbstract" name="FinancingObligationDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureContingentPaymentObligationDetailsNarrativeAbstract" name="DisclosureContingentPaymentObligationDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureDerivativefinancialInstrumentsDetailsAbstract" name="DisclosureDerivativefinancialInstrumentsDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ConversionFeature" name="ConversionFeature" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureDerivativefinancialInstrumentsDetailsNarrativeAbstract" name="DisclosureDerivativefinancialInstrumentsDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureStockholdersDeficitDetailsNarrativeAbstract" name="DisclosureStockholdersDeficitDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureStockholdersDeficitDetailsAbstract" name="DisclosureStockholdersDeficitDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NumberOfShares" name="NumberOfShares" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_ExercisePrice" name="ExercisePrice" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureStockBasedCompensationDetails1Abstract" name="DisclosureStockBasedCompensationDetails1Abstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_StockBasedCompensationDetailsNarrativeAbstract" name="StockBasedCompensationDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_NumberOfWarrantsAvailableForIssuance" name="NumberOfWarrantsAvailableForIssuance" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DisclosureCommitmentsAndContingenciesDetailsNarrativeAbstract" name="DisclosureCommitmentsAndContingenciesDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_DueToFactor" name="DueToFactor" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_RemittedByFactor" name="RemittedByFactor" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SFOR_FactorInvoiving" name="FactorInvoiving" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>


