Some Windows 11 Secure Boot certificate errors, including BitLocker recovery loops and stuck KEK updates, remain unresolved ...

Microsoft has observed a surge in attacks using the ACR Stealer malware to steal browser-stored passwords, authentication ...

Microsoft and OEMs fixed key Secure Boot certificate issues for IT admins at a live office hours event, covering BIOS updates ...

These 4 Windows problems stumped Microsoft's tools—Claude solved them in seconds.

From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer ...

This week’s ThreatsDay Bulletin covers spyware-laced game cheats, fake installers, infostealer, ransomware, phishing kits, ...

New TELEPUZ malware spreads through ClickFix, then steals browser cookies, logs keystrokes, runs commands, and installs ...

ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI ...