Chinese government hackers targeted the U.S. Treasury’s highly sensitive sanctions office during a December cyberattack, according to reports. According

Chinese hackers who launched a cyberattack on the US Treasury Department targeted an important department of the agency that deals with sanctions against countries and groups of people imposed by the US government.

Chinese state-backed hackers have reportedly breached the Office of Foreign Assets Control (OFAC), a Treasury Department office that administers and enforces trade and economic sanctions programs.