One of the hacked organizations reportedly includes the U.S. agency responsible for maintaining the country's stockpile of nuclear weapons. China-backed hackers have been observed carrying out the ...

A major security vulnerability in Microsoft's widely used Sharepoint server software has been exploited by hackers, causing ...

The incident has reportedly impacted the servers of federal agencies, schools, and energy companies. Some emergency patches ...

Microsoft blamed two Chinese nation-state actors for exploiting recently discovered security flaws in SharePoint to ...

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

A sweeping cyber espionage operation targeting Microsoft server software compromised about 100 organizations as of the ...

Hours after Microsoft revealed hacking groups affiliated with the Chinese government have been exploiting a flaw in its ...

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

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

The “ToolShell” cyberattack campaign exploiting zero-day vulnerabilities in on-premises Microsoft SharePoint Servers has so ...

Microsoft also has issued a patch for a related SharePoint vulnerability — CVE-2025-53771; Microsoft says there are no signs ...

An ongoing cyberattack campaign known as “ToolShell” is exploiting on-premises Microsoft SharePoint Servers and has ...