The Treasury Department on Friday announced sanctions in connection with a massive Chinese hack of American telecommunications companies and a breach of its own computer network. The sanctions target a Chinese hacker who officials say is affiliated with Beijing's Ministry of State Security and was involved in a cyberintrusion

The U.S. Treasury Department on Friday imposed sanctions on alleged hacker Yin Kecheng and cybersecurity company Sichuan Juxinhe Network Technology Co., accusing both of being involved in a series of hacks against American telecom companies.

The Biden administration on Friday announced sanctions on two Chinese entities accused of cyberattacks, including a firm it said is directly involved in the recent espionage campaign against US telecommunications firms and a hacker behind the recent breach of Treasury Department computers.