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

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

Microsoft has pulled a recent Microsoft Defender update that was supposed to fix a known issue triggering persistent restart alerts and Windows Security warnings that Local Security Authority (LSA) ...

A week ago, the security researcher who goes by “Nightmare Eclipse” published information about RoguePlanet, a zero-day ...

Microsoft has confirmed it has fixed the Local Security Authority (LSA) is off issue with a recent update to Defender. The company is also pushing out new kernel-mode hardware stack protection.

Both AVG and Windows Defender work to protect your PC from malware and other security threats. They both have major differences in the following aspects. AVG and Windows Defender mainly differ in ...

Windows Defender "BlueHammer" vulnerability now exploited as part of malware campaigns — event demonstrates lack of security ...

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

Are you worried that your missing Windows Defender history is hiding an infection? Windows Security’s Protection History tracks the Defender’s actions, helping you identify and remove threats easily.

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 ...

To disable Microsoft Defender on Windows 11, go to Settings > Privacy & Security > Windows Security > Virus & Threat Protection, click Manage Settings, and toggle off ...