Committee for State Security (Bulgaria)
| Държавна сигурност (Durzhavna Sigurnost) | |
| Honor badge of the CSS with the first logo of the agency (1963–1965) | |
| The State Security building on Cherni Vrah Boulevard in Sofia | |
| Agency overview | |
|---|---|
| Formed | 1925 | 
| Dissolved | 1990 | 
| Superseding agencies | |
| Headquarters | Sofia | 
State Security (Държавна сигурност, Darzhavna sigurnost; abbreviated ДС, DS) was the name of the Bulgarian secret service under the People's Republic of Bulgaria during the Cold War, until 1989. State Security was closely allied with its Soviet counterpart, the KGB.