Microsoft is using AI and MDASH to find Windows vulnerabilities faster and improve security update reliability.

Windows Defender zero-day CVE-2026-50656 — known as RoguePlanet — has been patched by Microsoft 29 days after researcher ...

Make Windows 11 feel faster with nine cleanup tips for startup apps, storage, background processes, updates, malware scans, ...

Earlier this year, Microsoft quietly deleted a post that argued Windows 11's built-in Microsoft Defender Antivirus was good ...

Pakistani websites have been compromised by a new malware campaign that tricks visitors into infecting their own computers. The attack displays what ...

Both Microsoft Defender and Malwarebytes could certainly be more generous with their offerings. Although they have the fundamentals well covered, neither of them offers a complete security suite. A ...

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

Nightmare Eclipse, the prolific zero-day vulnerability hunter with an axe to grind against Microsoft, released yet another exploit late Wednesday that the researcher claims will spawn a command prompt ...

Security researcher Chaotic Eclipse (aka Nightmare-Eclipse and MSNightmare) has released a new Windows BitLocker bypass dubbed GreatXML, a day after they published an exploit for Microsoft Defender.

Security researcher Nightmare Eclipse has released a new Windows BitLocker bypass, only one day after publishing an exploit targeting Microsoft Defender. Named GreatXML, the fresh exploit allows users ...

Microsoft pushed emergency patches this week for two zero-day vulnerabilities in Windows Defender, the antivirus software baked into every modern Windows PC. Both flaws are already being exploited in ...