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Sigma KEE - TwoFactorAuthentication
TwoFactorAuthentication(two-factor authentication)

appearance as argument number 1

(documentation TwoFactorAuthentication EnglishLanguage "A Attribute of account specifying that a TwoFactorLoggingIn action is required for access.") ComputingBrands.kif 4331-4333
(instance TwoFactorAuthentication AccountSecurityType) ComputingBrands.kif 4330-4330 Two-factor authentication is an instance of account security type

appearance as argument number 2

(contraryAttribute UserNamePasswordAuthentication TwoFactorAuthentication) ComputingBrands.kif 4353-4353 User and password authentication is the opposite of two-factor authentication
(termFormat EnglishLanguage TwoFactorAuthentication "two-factor authentication") ComputingBrands.kif 4334-4334


        (attribute ?AC TwoFactorAuthentication)
        (loggedInDuring ?A ?AC ?T))
    (exists (?TF)
            (instance ?TF TwoFactorLoggingIn)
            (agent ?TF ?A)
            (accountUsed ?TF ?AC)
                (WhenFn ?TF) ?T))))
ComputingBrands.kif 4336-4345

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