Exchange Online: Microsoft updates timeline for SMTP Auth Basic end

For various protocols, Microsoft has already removed Basic Authentication in Exchange Online. The timeline for SMTP is being ...
ZDNet

Microsoft warns of password attacks against Exchange Online, here's what you need to do

Microsoft's Exchange team is warning Exchange Online users that many of its customers are being targeted by password spray attacks using its basic authentication. The warning comes as Microsoft begins ...
ZDNet

CISA: Switch to Microsoft Exchange Online 'Modern Auth' before October

It's finally time for businesses running Exchange Online to switch from Basic Authentication to Modern Authentication before Microsoft disables the former on October 1, 2022, according to the US ...
CSOonline

How to disable basic authentication in Microsoft Office 365

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 ...