Starting May 8, a new number-matching feature will be added to Multi-Factor Authentication (MFA) push notifications on the Microsoft Authenticator Mobile App. This new feature is being mandated by Microsoft to help prevent accidental MFA approvals. It will not affect users who use text messages for MFA. 

What is changing?   

McMaster students, staff and faculty using push notifications on the mobile Microsoft Authenticator App will be shown a 2-digit number on screen when signing into their account and will be prompted to enter the number on their mobile device.   

What do I need to do?   

Please ensure that you upgrade to the latest version of the Microsoft Authenticator App for enhanced security and optimal experience.   

If you are already using the latest version of Microsoft Authenticator, you are not required to take any further action. The new MFA process will be implemented automatically. 

What if I don’t use the Microsoft Authenticator Push Notifications for MFA?   

If you use a different MFA method, such as SMS, your login process will stay the same. This change will only impact individuals who use push notifications to sign in. 

More information  

To see a video of the new MFA number matching experience, please visit the UTS website.   

If you have any issues, or require additional assistance with MFA number matching, please contact the UTS Service Desk.