A Windows NTLM vulnerability patched in March has been exploited in attacks targeting government and private institutions.

A Windows vulnerability that exposes NTLM hashes using .library-ms files is now actively exploited by hackers in phishing ...

Microsoft has deprecated support for VBS enclaves in Windows 11 23H2 and older, but support will be available for 24H2. End ...

CISA warned federal agencies to secure their SonicWall Secure Mobile Access (SMA) 100 series appliances against attacks ...

Windows versions of the BrickStorm backdoor that the Chinese APT used in the MITRE hack last year have been active for years.

Recent Windows security updates released as part of April's Patch Tuesday introduced an unexpected change. After installing ...

Read the latest edition of Cyber Signals to learn how Microsoft is protecting its platforms and customers from AI-enhanced ...

Microsoft patches 12 critical flaws, but six have already been exploited by criminals. Kurt “CyberGuy" Knutsson says updating ...