Ministry for State Security or Ministry of State Security (often abbreviated to MSS) may refer to: Ministry of State Security (China) Ministry of State Security (North Korea) Ministry for State Security (East Germany), more commonly known as the Stasi Ministry for State Security (Soviet Union) Ministry of State Security (Transnistria) Security Service of the Ministry of Internal Affairs (Poland) Ministry of State Security (Luhansk People's Republic) Ministry of State Security (Donetsk People's Republic) Similar agencies South African Bureau of State Security State Security Agency of the Republic of Belarus Committee for State Security in the People's Republic of Bulgaria KGB (Committee for State Security), in the Soviet Union Sigurimi (Directorate of State Security) in the Socialist People's Republic of Albania Main Directorate of State Security in the Soviet Union People's Commissariat for State Security (Soviet Union) State Security Council in South Africa Securitate (State Security Department) in Communist Romania UDBA (State Security Directorate) in the Socialist Federal Republic of Yugoslavia State Security Intelligence in Egypt Belgian State Security Service State Security Service Nigeria Reich Security Main Office (Nazi Germany) See also Interior ministry Ministry of Public Security (disambiguation) National security institutions