A Department of Homeland Security memo, obtained by Property of the People through a freedom of information request, reveals the group — suspected to have links to China — “extensively compromised a U.

The Chinese state-sponsored hacking group known as Salt Typhoon breached and remained undetected in a U.S. Army National Guard network for nine months in 2024, stealing network configuration files and administrator credentials that could be used to compromise other government networks.

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