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 ...

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 ...

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

Microsoft published a new Defender update when it released its October 2024 Patch Tuesday (it did not release any in November.) This update package is necessary as a Windows installation image may ...

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 ...

Microsoft has resolved an issue that breaks multiple Microsoft 365 Defender features using the network data reporting service after installing July's Windows Server updates. The Microsoft 365 Defender ...

BlueHammer became public on April 2 in an unusual fashion. A researcher using the names Chaotic Eclipse and Nightmare Eclipse ...

Microsoft is ending Windows 10 support for most users on October 14, 2025 and the company has been urging users to upgrade to Windows 11. But in what seems to be a tacit acknowledgment that a lot of ...

A new Microsoft Defender zero-day called RoguePlanet reportedly grants SYSTEM privileges on fully patched Windows 10 and Windows 11 devices.

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CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks.