Over the weekend, security researcher Abdelhamid Naceri (also known as Nightmare Eclipse) released another Microsoft Defender zero-day exploit that blocks antivirus updates.

Hackers abuse Microsoft Defender exclusions to hide malware from scans, sheltering malicious files and evading detection.

Microsoft veteran Raymond Chen, who has been with the company for more than three decades, has advice for everybody with two or more antivirus solutions, and it’s quite straightforward. Just don’t use ...

Microsoft has resolved a known issue that causes incorrect alerts warning that Defender Antivirus was turned off after installing recent updates.

Why bundled security tools may fall short of dedicated protection ...

Want to know how to enable Windows Defender in Windows 11? In this easy step-by-step tutorial, I’ll show you how to turn on Windows Defender Antivirus and check your Windows Security settings to help ...

Not quite an EDR-killer, but the proof-of-concept cyber technique creates a silent virus detection gap while service runs normally, no exploit required.

Smart App Control is a security feature in Windows 11 designed to help protect your computer from potentially dangerous or ...

Microsoft has introduced an Integrated Security Operations Center (ISOC) in Microsoft Defender, SiliconANGLE reported on Tuesday. The move is part of an effort to reorganize security operations ...

MSNightmare released BigDiskBuster, an open-source PoC that can prevent Microsoft Defender from completing security updates.

Why AZ-500 is different from the other Azure examsAZ-900 proves you know what Azure is. AZ-104 proves you can run it. AZ-500 ...

Security certifications have a gatekeeping problem: most of them assume you already work in security. The SC-900 — Microsoft ...