Serial Microsoft zero-day leaker NightmareEclipse has found another way to mess with Windows Defender, this time by stopping ...
Microsoft says its PC Manager app can make your Windows machine faster, so I decided to find out whether it actually works.
Microsoft confirmed a bug in Windows updates KB5124008 and KB5122878 is breaking File History backups on Windows 11 and 10.
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.
Security researcher Patrick Wardle said on September 22, 2026 that Meta had hot-fixed a zero-day vulnerability in Muse, its newly launched personal AI agent, following his public disclosure on ...