Multi-Factor Authentication improves security of every identity. Microsoft is working constantly to improve the security of their Microsoft 365 and Microsoft Azure accounts.
A new feature has been added to the Microsoft Authenticator App, which displays additional information in multi-factor authentication approval requests:
As of October 1, 2022, basic athentication (legacy authentication) will be disabled for EWS, RPS, POP, IMAP, MAPI, RPC, OAB, SMTP AUTH, and EAS protocols in Exchange Online. The basic authentication is a big security issue, since a user name and password are already sufficient for sign in. After deactivating basic authentication, modern authentication (based on OAuth 2.0) becomes active. Modern authentication requires a second factor (multi-factor authentication).
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