In essence, Valpo was abolished by the Parliament of Finland due to the fact that its leadership positions had been filled by communists who were implicated in erroneous and illegal elements according to a separate governmental committee investigation as well as linked to a number of disappearances in the aftermath of World War II.

[5][7][11][12][13][14] Kekkonen kept KGB connections close, especially its local Helsinki chief, and utilized back channels to balance between Western and Soviet interests without provocation, such as during the negotiations on Finland's membership to the European Free Trade Association in 1962.

The list was classified and locked in a safe after Director Seppo Tiitinen and President Mauno Koivisto determined that it was based on vague hints instead of hard evidence.

Reportedly, the administrative transfer was to ensure that the Service is able to more efficiently conduct its special missions as well as to reinforce its strategic and political direction and clarify its official position both domestically and internationally.

[20][21] Newspapers reported in November 2016 that Supo was concerned about suspicious land and property transactions made by foreign nationals that could be utilized in hybrid operations, such as to accommodate unmarked military troops.

[25][26] The Finnish Security and Intelligence Service states that its core functions are counter-intelligence, counter-terrorism and other national security-related work, such as counter-proliferation activities intended to impede the proliferation of weapons of mass destruction.

[27][28][29][30] Additionally, the Service is the responsible authority for national and international cooperation in the fight against terrorism, for preparing and maintaining terrorist threat assessments, for monitoring extremist phenomena, and for performing security clearances for personnel recruited into sensitive positions.

[28][31] According to the Police Act, Supo can utilize, among others, traffic data monitoring, covert intelligence gathering, undercover activities, pseudo purchases, and controlled delivery to fulfill its missions.

[33] In addition to its headquarters in Punavuori, Helsinki, Supo hosts eight regional offices around Finland in Turku, Tampere, Vaasa, Lappeenranta, Joensuu, Kuopio, Oulu and Rovaniemi.

[34][28] Supo has liaison officers posted at diplomatic missions in Nairobi, Kenya and Ankara, Turkey as well as at the European Union (EU) Intelligence and Situation Centre.