Serial Microsoft zero-day leaker NightmareEclipse has found another way to mess with Windows Defender, this time by stopping ...
A bad Microsoft Defender update is quarantining VLC's cache, causing severe startup delays. Here's how to fix it.
Over the weekend, security researcher Abdelhamid Naceri (also known as Nightmare Eclipse) released another Microsoft Defender zero-day exploit that blocks antivirus updates.
We are announcing ISOC in Microsoft Defender: a foundation built for agentic security that brings leading solutions for SIEM and threat protection together.
On some PCs, Windows 11 has been incorrectly warning that Microsoft Defender is turned off, even when it isn't, for almost ...
BigDiskBuster can block Microsoft Defender updates by filling disk space, leaving detection content stale; no patch or advisory exists.
BigDiskBuster zero-day PoC stops Microsoft Defender updates by filling disk space; and unfortunately, no patch exists yet.
Morning Overview on MSN
New zero-day bug can silently block Windows Defender’s virus updates
A researcher who calls himself Nightmare Eclipse published a free tool on September 19, 2026, that can quietly stop Windows ...
EvilTokens has quickly become one of the top PhaaS platforms, enabling device code phishing attacks through AI-assisted lures, automated infrastructure, and token theft. In collaboration with partners ...
Customers and prospects can begin with BlueVoyant's ISOC Readiness Assessment, which is a no-cost engagement to prepare for ISOC deployment. The program provides a starting point to discuss the ...
The false notification stating that "Antivirus is disabled," despite Microsoft Defender working normally, was reported to ...
Un antivirus qui tourne n’est pas forcément un antivirus fonctionnel. BigDiskBuster sabote les mises à jour de Microsoft ...
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