The U.S. Congressional Budget Office (CBO) confirmed a cybersecurity breach, likely involving a foreign hacker. The agency's spokesperson, Caitlin Emma, stated that they quickly contained the incident and have since implemented new security measures. While the breach has been confirmed, the extent of exposed data remains uncertain, though there are concerns about the potential exposure of sensitive communications between congressional offices and CBO analysts. The Washington Post highlighted that the hack was discovered recently, prompting some congressional offices to suspend email communication with the CBO due to security fears. As a nonpartisan agency, the CBO plays a vital role in providing economic analysis and cost estimates for legislation. A breach of this nature could compromise draft reports and internal communications, raising significant alarm. This incident is part of a troubling trend of cyberattacks targeting government agencies. In December 2024, the U.S. Treasury Department reported a breach linked to the third-party platform BeyondTrust. The same group, known as Silk Typhoon, has been associated with these attacks. This state-sponsored Chinese APT group gained notoriety in 2021 after exploiting vulnerabilities in Microsoft Exchange Server, affecting around 68,500 servers before patches were available. The repeated targeting of government entities raises serious concerns about national security and the integrity of sensitive information.