Microsoft Defender offers great protection from malware -- but there are other online threats you might want to consider, too.

Do you still need third-party antivirus on your Windows PC?

I've been testing antivirus protection since the 1980s, and I’ve consistently recommended securing your devices with a strong antivirus—yes, even a free one can do the job. In a recent post, Microsoft ...

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

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 ...

Microsoft Patches RoguePlanet Defender Flaw That Can Grant SYSTEM Privileges | Read more hacking news on The Hacker News ...

Enhancing security and compliance for small to medium-size businesses has become easier as they face a growing range of cyberthreats. Small businesses have often lacked access to the advanced security ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft and CISA confirm Defender zero-days exploited in the wild. Microsoft has started ...

Update May 25, 04:19 EDT: CVE-2026-41091 is a Microsoft Defender local privilege escalation (LPE) flaw known as RedSun, and CVE-2026-45498 is known as UnDefend, a security flaw that can be exploited ...