It’s one of multiple hacks in recent months linked to China that have targeted non-public information about US policies amid fierce US-China trade tensions.
In July, CNN reported that suspected Chinese hackers had breached Wiley Rein, a powerful law firm and key player in helping US companies and the government navigate the trade war with China.
“The Congressional Budget Office has identified the security incident, has taken immediate action to contain it, and has implemented additional monitoring and new security controls to further protect the agency’s systems going forward,” CBO spokesperson Caitlin Emma said in a statement on Thursday evening.
“The incident is being investigated and work for the Congress continues. Like other government agencies and private sector entities, CBO occasionally faces threats to its network and continually monitors to address those threats.”