Microsoft said some of the hackers involved in the cyberespionage sweep aimed at the U.S. tech giant's SharePoint servers are now using ransomware, a potential escalation in the wide-ranging spy campaign.

Victims of the recent global hacking campaign include the National Institutes of Health and the National Nuclear Security Administration, officials said.

It's not just data theft. A China-based hacking group is using a flaw in vulnerable SharePoint servers to deliver ransomware, Microsoft warns.

Multiple hacking groups—including state actors from China—have targeted a vulnerability in older, on-premises versions of the file-sharing tool after a flawed attempt to patch it.

Microsoft contained a major SharePoint security flaw, amid fresh questions about the future of its legacy on-premises software.

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

Security researchers say hackers have breached at least 400 organizations by exploiting a zero-day vulnerability in Microsoft SharePoint, signalling a sharp rise in the number of detected compromises since the bug was discovered last week. Eye Security ...

Microsoft Corp. said a Chinese hacking group is exploiting security vulnerabilities in the company’s SharePoint servers to deploy ransomware, following a cyberattack discovered last week that has affected hundreds of entities around the world.