A Department of Homeland Security memo from June, describing the Pentagon’s findings, said that the group, publicly known by the nickname Salt Typhoon, “extensively compromised a U.S. state’s Army National Guard network” from March 2024 through December 2024. The memo did not specify which state was affected.

Chinese hackers stole network diagrams, credentials, and personnel data in a breach that poses a threat to critical infrastructure nationwide.

A U.S. state's Army National Guard network was thoroughly hacked by a Chinese cyberespionage group nicknamed "Salt Typhoon," according to a Department of Homeland Security memo.