Microsoft 365 Outage Disrupts Outlook, Exchange Online and Teams
Microsoft says failed server health checks disrupted Outlook and other Microsoft 365 services. The company is still investigating the cause and has disclosed no evidence of a cyberattack. The post Microsoft 365 Outage Disrupts Outlook, Exchange Online and Teams appeared first on SecurityWeek .
Microsoft 365 services, including Outlook, Teams, Exchange Online, SharePoint Online, Copilot 365, and Microsoft Defender XDR, have been disrupted. XDA Developers reports that tens of thousands of outage reports have been made on DownDetector, noting that services such as OneDrive and Azure are also down. Additionally, reports indicate that some Google services, Steam, and Amazon Web Services are currently unavailable.
Microsoft stated that failed server health checks disrupted services and that it is investigating the cause. According to XDA Developers, the company determined that an elevated load is not driven by an increase in traffic, but by a large number of servers becoming unexpectedly unavailable, which shifts load onto the remaining infrastructure.
As a precaution, Microsoft has paused all deployments and configuration changes while reviewing recent changes for any correlation to the event. SecurityWeek reports that Microsoft has disclosed no evidence of a cyberattack.
Brief written by urgent.news from SecurityWeek, XDA Developers — 2 reports on this story. Machine-written — may contain errors; check the original before relying on it.
