Microsoft says a new Defender capability isolated a compromised device and stopped a ransomware attack in 128 seconds.

For most people using a supported and fully updated Windows 11 computer, yes: Microsoft Defender Antivirus and the other protections inside Windows Security are sufficient as the primary antivirus.

Microsoft Defender automatically isolated a compromised QNET endpoint in 129 seconds, stopping a multi-stage attack before the payload could persist or spread.

Best Antivirus Best Free Antivirus for Windows 10 in 2026: Top Free Protection Options Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing ...

Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, and devices.

Use left and right arrow keys to seek audio. For years, I assumed Windows didn't have much of an answer to ransomware beyond "install an antivirus and hope for the best." But Microsoft built a genuine ...

Looking for the best antivirus for Windows 11? Check out our top picks to protect your device as well as your system and network to the core!

Add Yahoo as a preferred source to see more of our stories on Google. Better load up some more antivirus software. - Thomas Fuller/SOPA Images/LightRocket via Getty Images Windows users should think ...

Halcyon, the ransomware resilience platform, today announced File Resilience (FiRe), a new capability that prevents ransomware encryption before files are modified. By terminating encryption attempts ...

A newly documented ransomware family called Spirals moved from initial access to data theft and network wide encryption in ...

Spread the loveRansomware isn’t just a buzzword anymore; it’s a full-blown existential threat for small businesses, and it’s ...