Apple Watch – Apple Watch will remain unsupported for number matching.More information can be found in the number matching documentation. You can create a registry key that overrides this behavior and prompts users with Approve/Deny. If the user doesn’t have an OTP method registered, they’ll continue to get the Approve/Deny experience. Microsoft Authenticator app, software tokens etc.) registered to see this behavior. The user must have an OTP authentication method (e.g. Because the NPS extension can’t show a number, the user will be asked to enter a One-Time Passcode (OTP). 2 will require users to do number matching after 27-February 2023. On earlier versions, users will continue to see the “Approve/Deny” experience and won’t see number matching till you upgrade. ADFS adapter will require number matching on versions of Windows Server that support number matching.

Self Service Password Reset (SSPR) and combined registration flows will also require number match when users are using the Microsoft Authenticator app.

Please make sure upgrade to the latest version of Microsoft Authenticator (App Store and Google Play Store) to use it for sign-in. If the user is using a version of the Authenticator app that doesn’t support number match, their authentication will fail.

Authentication flows will require users to do number match when using the Microsoft Authenticator app.

Number match behavior in different scenarios after 27-February 2023:

Geographic location context: Show users their sign-in location based on the IP address of the device they are signing into.

Application context: Show users which application they are signing into.

Admins can now selectively choose to enable the following:

This feature is critical to protecting against MFA fatigue attacks which are on the rise.Īnother way to reduce accidental approvals is to show users additional context in Authenticator notifications. To prevent accidental approvals, admins can require users to enter a number displayed on the sign-in screen when approving an MFA request in the Microsoft Authenticator app. Microsoft Authenticator App’s number matching is Generally Available! Microsoft will start enabling this critical security feature for all users of the Microsoft Authenticator app.

Ms teams authenticator app