A widespread multifactor authentication (MFA) issue is hitting a number of Microsoft customers in North America this morning. From a report: The exact cause of the problem is not clear at the moment, but Microsoft’s engineering team says it is working on it. “Customers in North America are experiencing issues with Sign-in when Multi-Factor Authentication is enabled. Engineering team is currently investigating the issue and will send out an update as soon as possible.” The Microsoft 365 Status twitter account, as of 10:45 a.m. ET, said: “We’re investigating issues where users may be unable to access the admin center when using MFA. We’ll provide an update shortly.” I’ve asked Microsoft for an update. No word back so far. Users are reporting they cannot sign into Office 365 or access any of their Office 365 apps and services. Office 365 uses Azure Active Directory for authentication.

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Source: Slashdot – Multifactor Authentication Issue Hitting North American Azure, Office 365 Users