Effective from 22 February 2023.
Number matching will be added to the Microsoft Authenticator app used for multi-factor authentication (MFA).
A new security feature called “number matching” will be introduced to the Microsoft Authenticator app. If you use this app for your MFA you will notice this change from 22 February 2023.
If you use a different authentication method like SMS or the Authy app then these are unaffected.