Covered by 3 outlets — first reported by BleepingComputer, Nov 12, 20:15 UTC
Massive Microsoft 365 outage disrupts Outlook, Teams, Copilot worldwide
MentionsMicrosoftMicrosoft 365AnthropicMicrosoft TeamsOpenAI
In brief
A Microsoft outage disrupted Outlook, Teams and Copilot, also breaking OpenAI and Anthropic connectors to Microsoft 365 accounts. Microsoft 365, Outlook and Teams went down for thousands of US users on Thursday, November 12. Reuters reported that the disruption also hit the connectors OpenAI’s and Anthropic’s AI services use to reach Microsoft accounts. “Microsoft 365,
From Security Affairs's coverage.
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3 outlets, in the order they reported it.
BleepingComputerFirst report
Massive Microsoft 365 outage disrupts Outlook, Teams, Copilot worldwide
Microsoft is investigating a widespread outage affecting multiple Microsoft 365 services, including Outlook, Microsoft Teams, and Copilot, as users report connectivity problems worldwide.
Security Affairs
Microsoft Cloud Outage Hits Outlook, Teams, Copilot and AI Services
A Microsoft outage disrupted Outlook, Teams and Copilot, also breaking OpenAI and Anthropic connectors to Microsoft 365 accounts. Microsoft 365, Outlook and Teams went down for thousands of US users on Thursday, November 12.
SecurityWeek
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.