Registration for MFA
Registering for MFASupported Authentication Methods
Microsoft Authenticator
The Malbon Center for Technology recommends using the Microsoft Authenticator App as your default method for authentication. The authenticator app allows for one-click verifications during the login process.
Security Keys
Security keys are an optional but great backup method for MFA.
Yubico NFC 5 series Security Key
Microsoft's list of supported security keys
More information about MFA
What is MFA?