Microsoft has observed two named Chinese nation-state actors, Linen Typhoon and Violet Typhoon, exploiting vulnerabilities ...

Officials in Indiana and Missouri said technologists remain watchful, but their states so far seem to have avoided compromise. The latter’s Office of Administration credited a layered security ...

The company says several Chinese state-aligned groups have exploited the zero-day vulnerability disclosed on Saturday.

The zero-day vulnerability — which was first disclosed late Saturday — has been exploited by several Chinese state-aligned ...

A series of cyberattacks targeting Microsoft collaboration software, specifically SharePoint, have been linked to Chinese ...

Multiple hacking groups—including state actors from China—have targeted a vulnerability in older, on-premises versions of the ...

The agency in charge of the nation’s nuclear arsenal was swept up in a cyberattack targeting Microsoft’s SharePoint software, ...

The National Nuclear Security Administration, which oversees the design and upkeep of America’s nuclear weapons arsenal, was among those whose systems were ...

Though the vulnerability was first identified in May, it's taken more than two months for Microsoft to issue an effective fix.

Chinese hackers breached the U.S. National Nuclear Security Administration through Microsoft SharePoint, with the Energy ...

Major cyberattacks in 2025 so far have included the Microsoft SharePoint Server “ToolShell” attacks, the ransomware attack ...

A critical SharePoint zero-day (CVE-2025-53770) has been used to breach 400 firms, including the US nuclear agency. Microsoft ...