Department of Homeland Security headquarters, several of its agencies and the Department of Health and Human Services have ...

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

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

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

Microsoft Corp. is investigating its early alert system leak, to analyze any exploitation done by the Chinese hackers.

Analysts warn the breach could affect more than 10,000 organizations worldwide, including federal and state agencies, ...