Is SMS an option for Huntress 2FA/MFA? Cameron Granger October 05, 2021 21:27 Updated No, at this time Huntress 2 factor authentication is limited to TOTP/OTAP (such as Google Authenticator) or Duo. Comments 0 comments Please sign in to leave a comment. Related articles Can I use an authenticator app other than Google Authenticator? Escalations Enable Duo Two-factor Authentication | 2FA | MFA | Recovery What data does Huntress store in the registry?