Japan, the United States, and South Korea have tightened their sanctions against North Korea to curb Pyongyang’s weapons programs following its latest intercontinental ballistic missile test in November, targeting the country’s officials and organizations, Report informs, citing Kyodo News.

Tokyo said Friday that it has decided to freeze the assets of two trading companies and one hacking group as well as one individual for their involvement in North Korea’s nuclear weapon and missile development programs.

The individual, Kim Su Il, represents the Vietnamese branch of North Korea’s Munitions Industry Department, a designated entity involved in supervising the nation’s weapons programs, the Japanese Foreign Ministry said.

South Korea announced Friday sanctions targeting eight individuals, including six from North Korean banks and seven institutions, including shipping and trading firms.