Serial Microsoft zero-day leaker NightmareEclipse has found another way to mess with Windows Defender, this time by stopping ...

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

BigDiskBuster can block Microsoft Defender updates by filling disk space, leaving detection content stale; no patch or advisory exists.

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

Want to know how to disable Windows Defender in Windows 11? In this step-by-step tutorial, I’ll show you how to turn off Microsoft Defender Antivirus and manage Windows Security settings on your ...

BigDiskBuster is a new Microsoft Defender zero-day that can block platform and signature updates across supported Windows versions.

A bad Microsoft Defender update is quarantining VLC's cache, causing severe startup delays. Here's how to fix it.

Microsoft has fixed the bug that made Windows Security wrongly claim Microsoft Defender Antivirus was turned off. According ...

Microsoft fixes false Defender Antivirus disabled alerts with version 4.18.26080.4, resolving the issue across supported ...

The glitch, which Microsoft says it working to fix, creates an attacker opportunity by convincing users to ignore critical cybersecurity alerts.

Regarding the security article you provided, I will organize and explain the key points and countermeasures in an easy-to-understand way for note readers.A warning has been reported regarding a new de ...

After installing the latest Defender Antivirus update for Windows 11, users have started reporting that their operating ...