What is multi-factor authentication?
Multi-factor authentication (MFA) increases account security by requiring multiple forms of verification to prove your identity when signing in to an application.
Microsoft MFA is used to validate Microsoft products like Outlook or Teams but works a lot like Duo MFA, which you already use to log in to Buff Portal or MyCUInfo.
How to enroll and use Microsoft MFA
When you first log in to your campus Microsoft 365 account, you will be prompted to register for multi-factor authentication. You can register by either installing the Microsoft Authenticator mobile app (recommended) or entering a phone number:
- Set up the Microsoft Authenticator mobile app: This allows you to click a button on your phone or smart watch to quickly and easily log in when prompted. This is the recommended method for most users.
- Check your settings and add a back-up method: In case you change devices, set up a back-up method to access your account.
Follow the step-by-step instructions to register and set up Microsoft Authenticator app. Use the Find and update Security info tutorial to find how to update your settings in case you get a new device or phone number or want to add additional methods for authenticating. For additional information, please see our Multi-Factor Authentication FAQ.
Please note: After your account is enabled for MFA, you may be prompted to re-authenticate to multiple Microsoft 365 servers (e.g., Teams, Outlook).
Important tip: When registering an MFA method, do not use a Microsoft Teams phone number. You will get locked out of Microsoft Teams and won't be able to receive the Microsoft MFA phone call. This means you won't be able to log back in until you contact the IT Service Center to have your Microsoft MFA settings reset.
