New submitter neo00 writes: Office 365 users in Europe, Asia, and Americas are impacted by a wide-spread outage causing users who have Multi-Factor Authentication (MFA) enabled by default policy to be unable to login to Office 365 and other services reliant on Azure Active Directory. According to The Register: "Microsoft confirmed that there were problems from 04:39 UTC with a subset of customers in Europe and Asia-Pacific experiencing 'difficulties signing into Azure resources' such as the, er, little used Azure Active Directory, when Multi-Factor Authentication (MFA) is enabled. Six hours later, and the problems are continuing." The Office 365 health status page has reported that: "Affected users may be unable to sign in using MFA" and Azure's own status page confirmed that there are "issues connecting to Azure resources" thanks to the borked MFA." Official Azure status updates are published here.

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