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

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 ...

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 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 ...

Microsoft has confirmed that the December 2025 security updates are breaking Message Queuing (MSMQ) functionality, affecting enterprise applications and Internet Information Services (IIS) websites.

Microsoft today released updates to fix at least 137 security vulnerabilities in its Windows operating systems and supported software. None of the weaknesses addressed this month are known to be ...

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

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