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 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 Treasury Department’s Office of Foreign Assets Control (OFAC) announced on Friday that it had sanctioned a China-based cybersecurity company, known as Sichuan Juxinhe Network Technology, which it says is directly linked to the China-backed Salt Typhoon hacking group.

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 U.S. Treasury Department's Office of Foreign Assets Control (OFAC) has imposed sanctions against a Chinese cybersecurity company and a Shanghai-based cyber actor for their alleged links to the Salt Typhoon group and the recent compromise of the federal agency.

Chinese state-backed hackers, tracked as Silk Typhoon, have been linked to the U.S. Office of Foreign Assets Control (OFAC) hack in early December.

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.