KSC Open API
Kaspersky Security Center API description
int TotpUserSettings::IfEnabled2FaForUser ( long  llTrusteeId)

Checks whether 2FA is enabled for user.

Parameters:
[in]llTrusteeIdTrustee id of user (0 for current user)
Returns:
value, 0 - 2FA not required, 1 - 2FA required, but not registered, 3 - 2FA required, and registered.