The U.S. Treasury Department reported experiencing a cyberattack in early December, assuring that there was no risk of leaking sensitive information. The attack, attributed to a China-backed actor, involved the BeyondTrust software, compromising agency computers. The department stated that the malware was removed, and there is no evidence of continuing access to their systems. The incident is recognized as a major cybersecurity breach, prompting notifications to Congress, with further updates expected as more information is gathered.