The Treasury Department has announced sanctions in connection with a massive Chinese hack of American telecommunications companies and a breach of its own computer network.

The U.S. Treasury Department has sanctioned Yin Kechen and Sichuan Juxinhe Network Technology Co. for their alleged involvement in 'Salt Typhoon,' a series of hacks compromising American telecom companies.

The U.S. Treasury department on Friday sanctioned Singaporean Yin Kechen and cybersecurity company Sichuan Juxinhe Network Technology Co., accusing both of being involved in a series of hacks against American telecom companies.

The U.S. Treasury Department is expected on Friday to say Sichuan Juxinhe Network Technology Co. was directly involved in the deep compromises of the telecommunications firms, whi