US announced sanctions over a massive Chinese hack of American telecommunications companies and a breach of its own computer network.

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 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.

American officials on Friday slapped a Chinese company and a man affiliated with China's Ministry of State Security with sanctions for their roles in cyber attacks in December.