The U.S. Department of Justice and FBI on Monday announced an arrest and indictments targeting North Korea’s so-called “IT worker” program, where North Koreans obtain remote IT-related positions at more than 100 U.

FBI Atlanta issued a warning to the public after four North Koreans were indicted in an alleged scheme to steal from two companies.

Two indictments, one arrest, and other actions across 16 states puts a dent in the illicit remote work schemes targeting US companies.