Due to the Covid-19 pandemic, there was a huge change of plans concerning disabling basic authentication in Microsoft 365 (for connections to Exchange Online). The complete shutdown has been postponed indefinitely. While it gives organisations much more time to prepare, it’s a good idea to get tenants ready before the actual deadline. Most organisations may have already implemented Multi-Factor Authentication (MFA) and believe that is all that is required to keep them safe from compromised email accounts! – However this is definitely not the case. As unfortunately while still having Basic Authentication still enabled, causes MFA to be by-passed and as such the further potential for compromised email accounts and letting in the Hacker.
You need to get your IT Team or IT Support to Disable ‘Basic Authentication’ as this is by-passing your MFA.
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