Azure Functions shipped a serverless agents runtime in public preview at Build 2026. Agents are defined in .agent.md markdown ...

This sneaky attack tricks Microsoft's AI assistant to hand over your data.

A Chinese espionage group tracked as UNC5221 has been accessing Microsoft 365 environments using the Brickstorm backdoor and previously undocumented malware named Plenet and AgentPSD. An investigation ...

Dozens of cryptographically verified open source packages from Microsoft were compromised late last week to add advanced credential-stealing code that was triggered when developers opened them in AI ...

Microsoft says an ongoing incident is preventing users of its Teams collaboration platform and Office for the web cloud-based productivity suite from opening files. "We're investigating reports that ...

Separate actors exploited the same exposure, creating overlapping intrusions that obscured detection and response.

Microsoft Threat Intelligence identified an active multi-stage intrusion campaign targeting hospitality organizations in ...

June 10 (Reuters) - Microsoft (MSFT.O), opens new tab is limiting employees' use of Anthropic's Claude Fable 5 because of the AI startup's new data retention requirements, The Verge reported on ...

A recent Microsoft Copilot exploit demonstrates how AI can make existing cybersecurity bugs even more virulent.

Users have been reporting problems with Microsoft Copilot since about 9 a.m. June 1. As of 11:51 a.m., Downdetector had received 501 reports of problems. The number of reports of problems with Copilot ...

Microsoft typically releases new Windows 11 preview builds every Friday. Less frequently, but still regularly, the company also pushes new ISO files (last time on May 19, 2026), allowing those who ...

Users are reporting problems with Microsoft's AI tool Copilot June 1, according to DownDetector. The majority of users are reporting problems using the app. Microsoft said it was investigating the ...