A major Chinese espionage group targeted some 80 nations—and likely more than just telecommunications companies—in a sweeping hack discovered last year, U.S. investigators said Wednesday.

At least 600 organizations were notified by the FBI that the group — known as Salt Typhoon — had interest in their systems, the FBI's cybersecurity division director Brett Leatherman said in media interviews Wednesday that dovetailed with a release of a technical advisory about the hacking activity. Nextgov/FCW previously reported that hundreds of entities — telecom providers and others — were notified of potential compromise.

Salt Typhoon breached major telecom carriers in a global, multi-year espionage operation that, in part, targeted the phone conversations of key American officials, incl

See Full Page