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          <link:definition>999051 - Disclosure - NOTE 15 &#8211; CONVERTIBLE DEBT AND DERIVATIVE LIABILITY (Details Narrative)</link:definition>
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        <link:linkbaseRef xlink:type="simple" xlink:href="scth-20251231_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="scth-20251231_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="scth-20251231_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/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd" />
    <import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd" />
    <import namespace="http://fasb.org/us-types/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd" />
    <import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd" />
    <import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd" />
    <import namespace="http://fasb.org/srt-types/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd" />
    <element id="scth_ContingentConsiderationMember" name="ContingentConsiderationMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="scth_SecureTechShareholdersEquityMember" name="SecureTechShareholdersEquityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="scth_FoundersMember" name="FoundersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="scth_OutsideConsultantMember" name="OutsideConsultantMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="scth_InlandRevenuePRCMember" name="InlandRevenuePRCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="scth_LabrysFundIIMember" name="LabrysFundIIMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="scth_BootCapitalLLCMember" name="BootCapitalLLCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="scth_VanquishFundingGroupIncMember" name="VanquishFundingGroupIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="scth_VistaCapitalInvestmentLLCMember" name="VistaCapitalInvestmentLLCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="scth_AmountsDueFromRelatedParties" name="AmountsDueFromRelatedParties" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_AccountsPayablerRelatedPartiesCurrent" name="AccountsPayablerRelatedPartiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_AccruedPayrollrRelatedPartiesCurrent" name="AccruedPayrollrRelatedPartiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_AmountsDueToRelatedParties" name="AmountsDueToRelatedParties" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_NotesPayableRelatedParties" name="NotesPayableRelatedParties" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_SecuretechShareholdersEquity" name="SecuretechShareholdersEquity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_GovermentGrants" name="GovermentGrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_ShareExchange" name="ShareExchange" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_ShareExchangeShares" name="ShareExchangeShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="scth_ShareExchangeRelatedParty" name="ShareExchangeRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_ShareExchangeRelatedPartyShares" name="ShareExchangeRelatedPartyShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="scth_ImputedInterest" name="ImputedInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_AccretionsOfRedeemableNciToRedemptionValue" name="AccretionsOfRedeemableNciToRedemptionValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_ImputedInterestAndAmortization" name="ImputedInterestAndAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_LossOnIssuanceOfNotesPayable" name="LossOnIssuanceOfNotesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_ChangeInFairValueOfNotesPayable" name="ChangeInFairValueOfNotesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_AmortizationOfLeasedAsset1" name="AmortizationOfLeasedAsset1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_RepaymentsOfShortTermDebt1" name="RepaymentsOfShortTermDebt1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_DisclosureNote2RestatementOfPreviouslyIssuedConsolidatedFinancialStatementsAbstract" name="DisclosureNote2RestatementOfPreviouslyIssuedConsolidatedFinancialStatementsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="scth_RestatementOfPrevioulsyIssuedConsolidatedFinanacialStatementsTextBlock" name="RestatementOfPrevioulsyIssuedConsolidatedFinanacialStatementsTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="scth_DepositPolicy" name="DepositPolicy" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="scth_PropertyAndEquipmentDepreciationTableTextBlock" name="PropertyAndEquipmentDepreciationTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="scth_MezzanineEquityAbstract" name="MezzanineEquityAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="scth_SharePrice1" name="SharePrice1" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="scth_SegmentNetProfitLoss" name="SegmentNetProfitLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_StockIssuedDuringPeriodFoundersSharesShares" name="StockIssuedDuringPeriodFoundersSharesShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="scth_AccruedPayroll" name="AccruedPayroll" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_ImputedInterest1" name="ImputedInterest1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_PatentRoyalty" name="PatentRoyalty" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="scth_RentalToRelatedParty" name="RentalToRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_DeductibleVat" name="DeductibleVat" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_IncomeTaxReconciliationForeignIncomeStatutoryTaxRateDifferential" name="IncomeTaxReconciliationForeignIncomeStatutoryTaxRateDifferential" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_DeferredTaxAssetsValuationAllowance1" name="DeferredTaxAssetsValuationAllowance1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_NetIncomeLossAvailableToCommonStockholdersBasic1" name="NetIncomeLossAvailableToCommonStockholdersBasic1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_IncrementalCommonSharesAttributableToConversionOfSeriesAPreferredStock" name="IncrementalCommonSharesAttributableToConversionOfSeriesAPreferredStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="scth_EarningsPerShareBasic1" name="EarningsPerShareBasic1" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="scth_ProceedsFromConvertibleDebt1" name="ProceedsFromConvertibleDebt1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_RedeemableNoncontrollingInterestAcquiredInBusinessCombination" name="RedeemableNoncontrollingInterestAcquiredInBusinessCombination" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_NetProfitLossAttributableToRedeemableNoncontrollingInterests" name="NetProfitLossAttributableToRedeemableNoncontrollingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="scth_AccretionsAdjustmentToRedemptionValue" name="AccretionsAdjustmentToRedemptionValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
