The Windows Defender antivirus program, also known as Windows Security, comes installed with Windows 11/10. It is an antimalware scanning tool that lets you boot and scan from a trusted environment.

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

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

Microsoft updates Defender in Windows install media to block threats during setup and close early security gaps.

RedSun exploit targets Microsoft Defender zero-day, granting SYSTEM access on fully patched Windows systems with no patch ...

Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your ...

Microsoft releases new Windows Defender update packages very frequently to protect against various newly discovered malware. Once a while every three months or so, the company also pushes out these ...

If you want to configure Windows Defender Exploit Guard in Windows 11 or Windows 10, here is how you can do that. No matter whether you want to turn on System settings or Program settings in Windows ...

Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest ...

Microsoft’s push into AI is hitting an awkward moment. The company has been using Copilot to generate images for its Windows “how-to” guides, but some of those visuals have gone noticeably wrong.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...