Windows 11 security is now complete, with Defender replacing third-party antivirus through built-in real-time and behavioral protection.

Microsoft explains if Windows 11 needs third-party antivirus in 2026 as Defender matches top tools and AI-driven threats ...

Microsoft has patched today a Windows Defender SmartScreen zero-day exploited in the wild by a financially motivated threat group to deploy the DarkMe remote access trojan (RAT). The hacking group ...

A Microsoft Defender SmartScreen vulnerability patched in November has found fresh active exploitation in a Phemedrone information-stealing malware campaign, according to cybersecurity research and ...

Microsoft today released updates to fix at least 137 security vulnerabilities in its Windows operating systems and supported software. None of the weaknesses addressed this month are known to be ...