Sources: Chinese government hackers breached the US Treasury Department's OFAC, which administers economic sanctions, and two other Treasury offices (Washington Post)
https://www.washingtonpost.com/national-security/2025/01/01/treasury-hack-china/?pwapi_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJyZWFzb24iOiJnaWZ0IiwibmJmIjoxNzM1NzA3NjAwLCJpc3MiOiJzdWJzY3JpcHRpb25zIiwiZXhwIjoxNzM3MDg5OTk5LCJpYXQiOjE3MzU3MDc2MDAsImp0aSI6ImM2ODE1YzAyLTQxZGYtNDdmMC1iMDdiLTExNTgyYjlmNTE5NSIsInVybCI6Imh0dHBzOi8vd3d3Lndhc2hpbmd0b25wb3N0LmNvbS9uYXRpb25hbC1zZWN1cml0eS8yMDI1LzAxLzAxL3RyZWFzdXJ5LWhhY2stY2hpbmEvIn0.gq__Ph4AEn_1EknSJrsHMp8hhyUVe2nbfjfZT8O1YKQ&itid=gfta
http://www.techmeme.com/250101/p14#a250101p14