The Finnish Security and Intelligence Service is responsible for civilian intelligence and the military intelligence authorities for military intelligence. The duties of the Finnish Security and Intelligence Service and the military intelligence authorities also include the prevention and detection of offences threatening national security. The scope of the Intelligence Ombudsman’s oversight authority includes civilian and military intelligence activities and the prevention and detection of offences of treason, high treason and terrorism by the Finnish Security and Intelligence Service, and prevention and detection of offences related to military national defense by the Defence Command.
The purpose and subjects of civilian and military intelligence are defined in the intelligence legislation. The diagram below indicates who is responsible for intelligence, as well as how and why it is conducted.