A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...

Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or ...

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...

Three proof-of-concept exploits are being used in active attacks against Microsoft's built-in security platform; two are ...

A security researcher has published a working exploit for a Microsoft Defender security flaw that affects Windows 10, 11, and ...

Windows 11 hacked three times on day one of PWN2OWN. Update, May 17, 2025: This story, originally published May 16, has been updated with news of another successful Windows 11 hack at the Pwn2Own ...

New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling ...

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

PCWorld highlights Smart App Control, a crucial Windows 11 security feature that screens apps through Microsoft’s cloud service to protect against malware and compromised executables. A February 2026 ...

Around the same time Microsoft released Windows 11 24H2 to the general public, the company also began testing a new security feature called Administrator protection in the Canary channel. Bypassing ...

Windows includes built-in exploit protection that limits the damage hackers can do even when software vulnerabilities exist. The tool offers system-wide and app-specific settings, though enabling ...

Microsoft hasn't received much love for Windows 11, with many users still reluctant to ditch Windows 10 even four years after the newer OS launched. The main reasons include Microsoft's constant push ...