The US has issued sanctions against an individual and a company involved in recent high-profile compromises of government officials by Chinese state-affiliated hackers

The Treasury Department imposes sanctions following a significant Chinese cyberattack on US telecom firms and its own network breach.

State-sponsored Chinese hackers breached U.S. Treasury Secretary Janet Yellen’s computer, accessing thousands of unclassified documents in December, anonymous sources told

A cyberattack on the US Treasury Department by Chinese state-backed hackers compromised computers of senior officials, including Janet Yellen. The breach, stemming from a third-party provider vulnerability,