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

A researcher released a working ‘BlueHammer’ Windows zero-day exploit that could impact over 1 billion devices, granting ...

AI-powered fileless malware is changing what it means to keep a Windows 11 PC secure. Here's what's happening and what to do.

A security researcher reported a vulnerability to Microsoft. But when the company didn't respond quickly enough, he went public with real exploit code.

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 ...

Microsoft's 2011 Secure Boot certificates expire June 2026, leaving millions of Windows 10 PCs vulnerable to boot-level ...

On Windows 11, Administrator Protection is a new security feature arriving with the November 2025 Patch Tuesday Update that adds an extra layer of security by prompting an authorization dialog using ...

Microsoft has released the KB5067036 preview cumulative update for Windows 11 24H2 and 25H2, which begins the rollout of the Administrator Protection cybersecurity feature and an updated Start Menu.

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 ...

Support for Windows 10 has ended, putting your system at risk. You don't have to upgrade—here's how to stay protected.

QUESTION: Are the Windows 11 upgrade workarounds for non-compliant (Windows 10) computers safe? ANSWER: If you’re one of the millions still using Windows 10, you’ve probably seen the now-frequent ...