Microsoft stores the hard drive encryption key in customers' online accounts by default. It can be accessed there by court ...

Microsoft released out-of-band patches for an actively exploited Microsoft Office zero-day, CVE-2026-21509, a security feature bypass flaw.

The disclosure underscores how recovery keys stored in Microsoft’s cloud can be accessed under warrant, even when enterprise ...

Microsoft confirms it provides BitLocker recovery keys to the FBI under legal orders. Learn about the security implications ...

Microsoft has acknowledged that it can provide U.S. law enforcement agencies with access to BitLocker encryption keys when ...

Windows users are, understandably, given the size of the operating system market share, a prime target for attackers of all kinds, from nation-state espionage actors to hackers and scammers. Windows ...

Microsoft security researchers have discovered a new backdoor malware that uses the OpenAI Assistants API as a covert command-and-control channel. The company's Detection and Response Team (DART) ...

Microsoft announced new or improved AI security agents at Ignite. Security agent functionality is surfaced within Microsoft's relevant management portal. The agents are free to all Copilot Security ...

Microsoft released unplanned updates over the weekend. They correct errors in the January patches and bring new boot certificates.