Stay ahead of emerging threats with Microsoft’s newest security innovations and updates, delivered through the In the Loop ...

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

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

Microsoft confirmed on April 22, 2026, that it will integrate Anthropic’s Claude Mythos into its security development workflow, a move that places an outside AI system at the heart of defenses ...

Update, April 30, 2025: This story, originally published April 28, has been updated with further information regarding the hotpatching security update service for Windows Server 2025 users, as well as ...

Microsoft is once again in the cybersecurity spotlight, acknowledging Tuesday morning that hackers linked to China are among those exploiting vulnerabilities in on-premises SharePoint software, the ...

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 ...

A vulnerability in Microsoft’s SharePoint Server is under active review by threat intelligence researchers as some have found evidence that U.S. government systems have been exposed and potentially ...

Microsoft Corp. Friday detailed a broad set of security updates and enhancements aimed at helping enterprises secure the rise of agentic artificial intelligence — while arguing that the industry needs ...

Microsoft has released out-of-band (OOB) updates to fix issues affecting Windows Server systems after installing the April ...

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