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

Three China-linked cyber espionage groups have launched a significant hacking campaign affecting various organisations, including US government agencies. The attack exploits vulnerabilities in Microsoft SharePoint,

A China-linked threat actor has been observed exploiting SharePoint servers to deliver ransomware, according to Microsoft researchers, in the latest sign of worsening attacks against on-premises SharePoint Server customers.

Microsoft is issuing an emergency fix to close off a vulnerability in Microsoft’s SharePoint software that hackers have exploited to carry out widespread attacks on businesses and at least some federal agencies.

A July 8 fix for a critical SharePoint zero-day failed to stop active exploitation, enabling state-backed attackers to breach nearly 100 organizations worldwide.

Microsoft has pointed the finger at three Chinese nation-state actors for exploiting the SharePoint vulnerabilities, accusing one group of carrying out ransomware attacks. Here's what we know about the security flaws and how to guard against future attacks.

Federal cybersecurity officials have issued a warning to Microsoft users about a security flaw allowing hackers to access to certain SharePoint systems.

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