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

New benchmark claims Microsoft Defender catches nearly all malicious email on its own, with integrated third-party tools ...

Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by attackers.

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

Microsoft has confirmed CVE-2026-50656, the RoguePlanet Defender zero-day that can grant SYSTEM privileges on Windows 10 and ...

Build 2026: Microsoft's MDASH exits preview with 100+ specialized threat-hunting AI agents ...

Two zero-day flaws in Microsoft Defender, the antivirus engine built into every Windows installation, are already being ...

In a proof-of-concept, a security researcher demonstrated how the Windows Security Center API can be used to block the scans by Microsoft’s built-in antivirus tool. Windows Defender can be tricked ...

Microsoft has been named a leader for the third consecutive time in The Forrester Wave™: Extended Detection and Response ...

Recently, Microsoft delivered its latest Defender patches for Windows 11 ISOs. These definitions are released from time to time alongside the general security updates available during Patch Tuesday.

Endpoint Management Platforms, Q2 2026, with the highest scores in the current offering and strategy categories.

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