The newly disclosed Windows Defender flaw, tracked as CVE-2026-50656, could let attackers escalate privileges on fully ...

A week ago, the security researcher who goes by “Nightmare Eclipse” published information about RoguePlanet, a zero-day security vulnerability in Microsoft’s Defender security program. The ...

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 ...

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

Microsoft released September 2024 Patch Tuesday updates on the 9th under KB5043064, KB5043050, KB5043051, KB5043083 for Windows 10; KB5043076, KB5043067 for Windows 11 22H2 and 21H2; and KB5043080 for ...

CISA says ransomware gangs are exploiting Microsoft Defender’s BlueHammer flaw, patched in April 2026 after zero-day reports.

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 ...

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

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 ...

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 ...