Salt Typhoon is perhaps best known as the group who infiltrated the networks of nine major US telecommunications companies and internet providers, including Verizon and AT&T in the largest telecoms hack in US history.

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

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