Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus program on your Windows 11 or Windows 10 PC, your PC is using it right now.

Microsoft pushed out-of-band patches on May 21, 2026, for two actively exploited Windows Defender zero-days — one that lets a ...

Windows remains one of the most targeted systems by threat actors by volume, according to recent statistics from AV-TEST, ...

And it's almost always disabled.

Microsoft claims Windows Defender is all the protection you need. I've been testing antivirus software for decades, and the evidence—not to mention the threats it can't protect you from—says otherwise ...

Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why.

Microsoft is weighing in on whether you should install third-party antivirus software on a PC, telling users the built-in Defender should be enough. Microsoft quietly took an official stand in a ...

Dianna Gunn built her first WordPress website in 2008. Since then, she's poured thousands of hours into understanding how websites and online businesses work. She's shared what she's learned on blogs ...

A finger pressing a key with antivirus inscription on a keyboard - Diy13/Getty Images With the ever-growing threat of malware, ransomware, and phishing scams, a solid security app is essential for any ...

Best Antivirus Best Antivirus for Windows 11: Fast, Lightweight & Secure Windows 11 users face growing cyber threats, from ransomware and phishing to occasional zero-day exploits. Choosing the right ...

SentinelOne, Microsoft Defender for Endpoint, and CrowdStrike Falcon are among my top recommendations for businesses looking ...