Latvian State Security Service is one of the three Latvian Security and Intelligence Services besides Constitution Protection Bureau (SAB) and Defence Intelligence and Security Service (MIDD). Latvian State Security Service is counterintelligence and internal security service, which gathers the information from different sources, carries out its analysis, informs senior officials about the threats identified to the national security as well as takes measures to neutralize them.
Latvian State Security Service’s responsibility is the conduction of counterintelligence activities, protection of state secrets, protection of constitutional order, protection of economic security interests, coordination and conduction of counterterrorism measures as well as protection of dignitaries. Latvian State Security Service is also the only service out of three Latvian intelligence and security seervices with the right to carry out pre-trial investigation (to initiate criminal proceedings, initiate criminal prosecution as well as arrest persons).
The work of Latvian State Security Service is supervised by the Minister of Interior, the operational activities and the legitimacy of pre-trial investigation process is supervised by the General Prosecutor, but the parliamentary control over Latvian State Security Service is performed by the National Security Commission of the Saeima (the Parliament).