Microsoft claims that Windows 11's built-in security tool is enough for most PC users, but that's only the case if the tool works. An issue affecting some PCs prevents security scans from being ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft has launched Project Perception, an AI security system, now in public preview. It ...

Microsoft's multi-model agentic scanning system for finding security flaws in software, codename MDASH, has deployed to Microsoft Azure Government, the company announced on September 8, 2026, with ...

Microsoft's Build 2026 security news centers on an agentic AI vulnerability system designed to find real exploitable flaws, connect them to Defender and GitHub, and help developers fix them faster.