Microsoft is trying to fix the RoguePlanet zero-day vulnerability impacting Defender on Windows 11 and Windows 10.

Millions of Windows 10 PCs that can't run Windows 11 just got breathing room, as Microsoft stretches its free security update program through October 2027.

Don't want to pay to keep Windows 10 security updates? Microsoft has several workarounds, with the best deal for European ...

Microsoft has quietly extended its Windows 10 Extended Security Updates (ESU) program until 2027, giving users more time to ...

Even if you're perfectly content with Windows 10, you'll soon need to switch to Windows 11 for security reasons. We compare the two operating systems so you know what to expect upon upgrading. I've ...

A week ago, the security researcher who goes by “Nightmare Eclipse” published information about RoguePlanet, a zero-day security vulnerability in Microsoft’s Defender security program. The ...

A new Windows zero-day reportedly bypasses BitLocker, adding pressure on Microsoft as researchers debate the exploit’s real-world impact.

They are angry at Redmond and will have their revenge. Nightmare Eclipse, the prolific bug hunter and possibly disgruntled ex-Microsoft employee, disclosed another zero-day vulnerability just hours ...

A total solar eclipse will create a celestial spectacle in the sky for the first time in more than two years on August 12. A total solar eclipse happens when the moon passes between the sun and Earth, ...

After a security researcher published a series of unpatched bugs in Microsoft products, along with code to exploit them, the company is now threatening to take legal action and call the cops on them.

Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ...