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 ...
For various protocols, Microsoft has already removed Basic Authentication in Exchange Online. The timeline for SMTP is being postponed. So far, Microsoft has disabled simple username-password login ...
Microsoft recommends enabling multi-factor authentication for Office 365. To do so, you must also disable basic or legacy authentication on Microsoft Exchange Server. Microsoft recently announced that ...
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