microsoft 365outagecybersecuritycanadasmb
Microsoft blames massive Microsoft 365 outage on maintenance bug
July 24, 2026
Back to all postsA significant outage affecting Microsoft 365 services, including Teams, SharePoint, and OneDrive, occurred on March 24, 2023. The cause was traced back to a maintenance bug in the system's XML parsing function, , during routine updates. This incident highlights the vulnerabilities of relying heavily on third-party software, as even minor errors can disrupt operations for businesses that use these platforms extensively. For Canadian SMB owners and IT managers, this event underscores the importance of having contingency plans in place to minimize disruptions when critical systems experience unexpected downtime.
Source: BleepingComputer
microsoft 365outagecybersecuritycanadasmb
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