The term 'Security Service' can be summarized as an organization that is responsible for protecting people and property from harm. The term is often associated with the Gulag, a system of labor camps in the Soviet Union that were used to imprison political prisoners. The Gulag is an acronym for Glavnoe Upravlenie Ispravitelno-trudovykh Lagerei, which translates to Main Administration of Corrective Labor Camps.