Ministry for State Security
- Belgian State Security Service
- Committee for State Security (Bulgaria)
- Committee for State Security (Soviet Union)
- Committee for State Security (disambiguation)
- Interior ministry
- KGB
- Main Directorate of State Security
- Ministry of Public Security (Poland)
- Ministry of Public Security (disambiguation)
- Ministry of State Security (China)
- Ministry of State Security (North Korea)
- Ministry of State Security (Soviet Union)
- Ministry of State Security (Transnistria)
- People's Commissariat for State Security (Soviet Union)
- Reich Security Main Office
- Securitate
- Sigurimi
- South African Bureau of State Security
- Stasi
- State Security (disambiguation)
- State Security Agency of the Republic of Belarus
- State Security Council
- State Security Intelligence
- State Security Service (Nigeria)
- State Security Service (disambiguation)
- UDBA