“We have repeatedly stated our position on such groundless accusations that lack evidence,” Mao Ning said at a daily briefing. “China consistently opposes all forms of hacking, and we are even more opposed to the dissemination of false information against China for political purposes.”

The "threat actor" was able to access the workstations via a compromised third-party cybersecurity service provider called BeyondTrust, the department said.

STORY: The U.S. Treasury Department said Chinese state-sponsored hackers broke into its systems in early December, according to a letter to lawmakers obtained by Reuters.The Treasury called the breach a “major incident,

Chinese state-sponsored hackers breached the Treasury Department's computer security guardrails this month, according to a letter to lawmakers that Treasury officials provided to Reuters.

Chinese state-sponsored hackers have breached the US Treasury, exploiting vulnerabilities in a third-party cybersecurity provider.

In response to accusations from the United States Treasury Department claiming that Chinese state-sponsored hackers infiltrated its systems, China has firmly denied the allegations. Chinese Foreign Ministry spokesperson Mao Ning,

So what we know so far is that Treasury was informed on December 8th by this third party provider beyond Trust, that there had been a hack that was eventually traced to a Chinese state sponsored hacking group.

The Biden administration revealed Monday that China-backed hackers infiltrated the U.S. Treasury Department earlier this month in what officials are calling a "major cybersecurity incident."