Microsoft announced that Basic Authentication will be turned off for all protocols in all tenants starting October 1st, 2022, to protect millions of Exchange Online users. This announcement comes ...

A massive botnet of over 130,000 compromised devices is conducting password-spray attacks against Microsoft 365 (M365) accounts worldwide, targeting basic authentication to evade multi-factor ...

Microsoft has issued what appears to be the final public warning about Basic Authentication in Exchange Online being deprecated next month. Customers have been advised to switch to Modern Auth. For ...

Back in 2022, Microsoft announced the retirement of Basic Authentication as it was moving to modern OAuth 2.0 token-based authentication. The reason was simple, to move away from such simple ...

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 ...