The U.S. has announced new sanctions against 10 North Korean and Russian nationals for their role in IT worker schemes that “defraud American businesses” and generate revenue for Pyongyang’s weapons programs.

In a press release on Wednesday, the U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC) designated eight North Korean and two Russian nationals, as well as one Pyongyang-controlled entity, for allegedly helping DPRK workers fraudulently obtain employment at legitimate companies.

OFAC said it sanctioned Kim Ki Hyok and Kim Hyo Dong for assisting, or providing financial and other support to the U.S.-sanctionedChinyong Information Technology Cooperation