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

The number of companies and organizations compromised by a security vulnerability in Microsoft Corp.’s SharePoint servers is ...

Chinese-linked hackers breached several U.S. government agencies, including the Department of Homeland Security and the Department of Health and Human Services, by exploiting a vulnerability in ...

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