Microsoft warned customers today that it will finally disable basic authentication in random tenants worldwide to improve Exchange Online security starting October 1, 2022. Today's announcement ...

Microsoft this week again appealed to organizations using Exchange Online to move away from using "Basic Authentication," reminding them that support for it will get dropped, starting on Oct. 1, 2022.

If you've implemented multi-factor authentication, you should disable the default basic authentication to make sure attackers can't exploit it. Attackers will go after weaker credentials and passwords ...