The announcement follows Anthropic’s debut of its leading-edge Mythos model, which the company says has already found ...

Microsoft confirmed on April 22, 2026, that it will integrate Anthropic’s Claude Mythos into its security development ...

Microsoft has warned about a serious Linux kernel vulnerability that could allow attackers to gain full control of affected ...

CISA is warning about ongoing exploitation of a 2008 bug in multiple versions of Excel.

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 has issued a rare and urgent warning to Windows users worldwide: a foundational layer of PC security, embedded deep ...

Update, May 11, 2025: This story, originally published May 9, has been updated with more details on the move towards greater cloud Common Vulnerabilities and Exposures (CVE) transparency by both ...

‘This ecosystem is mature, professional enough to let you put the customer first,’ Microsoft CVP David Weston says. Upcoming limited access to a Windows endpoint security platform for third-party ...

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed "RedSun," in the past two weeks, protesting how the company works with ...

Microsoft has confirmed a new issue causing newly introduced Windows security warnings to display incorrectly when opening ...