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Index of Intelligence Agencies
Overview of intelligence and law-enforcement agencies

This page contains an (incomplete) overview of the various intelligence and law-enforcement agencies in the world. If possible, a link to their website is provided. The list is by no means complete and is only meant for providing information about agencies that are of interest in relation to cryptography or to other equipment featured on this web site.
 
Contents of this page

Australia
ASD   Australian Signals Directorate
Cyber security and signals defence organisations. Part of the Australian Department of Defence.  Website

ASIO   Australian Security and Intelligence Organisation
Civil security and intelligence agency.  Website

ASIS   Australian Secret Intelligence Service
Australia's secret foreign intelligence collecting agency.  Website

DIO   Defence Intelligence Organisation
 Website

Belgium
ADIV   Algemene Dienst Inlichtingen en Veiligheid
Belgian Military Intelligence Service operating under the authority of the Ministry of Defense. Known in Dutch as the Algemene Dienst Inlichtingen en Veiligheid (ADIV) and in French as the Service Général du Renseignement et de la Sécurité (SGR). In English, the agency is often referred to as the General Intelligence and Security Service (GISS).

SDRA   Service de Documentation, Renseignement et Action
Secret department of the Belgian Military Intelligence Service ADIV that consisted of many different divisions. SDRA III dealt with counter-intelligence and counter-subversion.

SGR   Service Général du Renseignement et de la Sécurité ADIV

VSSE   Veiligheid van de Staat, Sûreté de l'État
Belgian State Security Service operating as a civilian agency under the authority of the Ministry of Justice.

Canada
CSE   Communications Security Establishment
Canadian Government's national cryptologic agency, administered under the Department of National Defence (DND). Also responsible for foreign signals intelligence (SIGINT). Formerly known as Communications Security Establishment Canada (CSEC).  Wikipedia

CSIS   Canadian Security Intelligence Service
Canada's national security establishment.  Website

CST   Centre de la sécurité des Télécommunications CSE
French name of the CSE.

SCEC   Communications Security Establishment Canada CSE

SCRS   Service canedien du renseignement de sécurité CSIS
French name of the Canadian Security Intelligence Service (CSIS).

RCMP   Royal Canadian Mounted Police
Canadian National Police Organisation.  Wikipedia  Website

Czechoslovakia
Czechoslovakia or Czecho-Slovakia, was a sovereign state in Central Europe that existed from October 1918 to 1 January 1993, after which it was peacefully dissoluted into the Czech Republic and Slovakia. From 1948 to 1990, Czechoslovakia was under the influence of the former USSR and was part of the Warsaw Pact. It played a role in international espionage during the Cold War.
 
Správa 1   Department 1
1st Department of the Czechoslovakian Ministry of Internal Affairs, taksed with intelligence gathering, or espionage (Czech: Rozviedka).
Sometimes written as 1 Správa or Správa I.

Správa 2   Department 2
2nd Department of the Czechoslovakian Ministry of Internal Affairs, taksed with counter-intelligence, or counter-espionage (Czech: Kontrarozviedka). Sometimes written as 2 Správa or Správa II.

Správa 4   Department 4
4th Department of the Czechoslovakian Ministry of Internal Affairs, taksed with surveillance. Sometimes written as 4 Správa or Správa IV.

Správa 6   Department 6
6th Department of the Czechoslovakian Ministry of Internal Affairs, taksed with the development of communications technology (Czech: Spojovacia Technika). Sometimes written as 6 Správa or Správa VI.

StB   Statni Bezpecnost
Secret (political) plainclothes police of former Czechoslovakia, also known as the civil intelligence agency, during the communist regime (1945-1990), operating under and controlled by the Czechoslovakian federal Ministry of Interior. The name is officially written as Státní bezpečnost (Czech) or Štátna bezpečnost (Slovak).  Wikipedia

ZS GŠ   Zpravodajská Správa Generálního Štábu
Military intelligence agency of the former Czechoslovakia during the communist regime (1945-1992).  Wikipedia

East Germany   DDR
The German Democratic Republic, or GDR (German: Deutsche Demokratische Rebublik, or DDR), was one of the countries of the former Warsaw Pact. Following the fall of the Berlin Wall in 1989, East Germany was reunited with West Germany the following year (1990).  Wikipedia
 
HVA   Hauptverwaltung Aufklärung
Department of the Stasi, responsible for foreign espionage. Between 1956 and 1986, the HVA was headed by the mysterious Markus Wolf.

MfS   Ministerium für Staatssicherheit
Ministery for State Security of the former DDR (East Germany); one of most effective and repressive intelligence and secret police agencies in the world. The agency is commonly known as Stasi, which is the abbreviation of Staats-Sicherheit, and had its headquarters in East-Berlin. The Stasi had strong ties with the Russian intelligence service KGB.  Wikipedia  Wikipedia Germany

Stasi   Staatssicherheit MfS

Germany   until 1945
For current German agencies, see  Germany after 1945
 
Abwehr   German Intelligence and Security Service between 1921 and 1944. During WWII, the Abwehr was part of the German Wehrmacht and was led by Admiral Canaris who was strongly anti-Nazi. The Abwehr was dissolved in 1944 due to incompetence and became part of the Sicherheitsdienst (SD) under the RSHA.  More

FHO   Fremde Heere Ost
Foreign Armies East, was a military intelligence organisation in Nazi Germany from 1938 to 1945, headed by Reinhard Gehlen. After WWII, the FHO became the Organisation Gehlen (OG).  Wikipedia

Gestapo   Geheime Staatspolizei
Official Secret Police of Nazi Germany and German-occupied Europe, established by Hermann Göring in 1933 and dissolved in 1945 at the end of WWII. It was considered a sister organisation of the SD.  Wikipedia

RSHA   Reichssicherheitshauptamt
Main Security Office of the German Third Reich during WWII, under Heinrich Himmler, who was the head of the German Police and also head of the Nazi party's Schutzstaffel (SS). The RSHA was established on 27 September 1939 and comprised the Sicherheits­dienst (SD) and the Sicherheitspolizei (SiPo), with the latter consisting of the Geheime Staatspolizei (Gestapo) and the Krimalpolizei (Kripo). On 18 February 1944, the RSHA took over the activities of the Abwehr as well.  Wikipedia

SD   Sicherheitsdienst
The SD was the Intelligence and Security Organisation of Hitler's political party, the NSDAP, from 1931 to 1945. Following the Nuremberg Trials after WWII had ended, the SD was declared a criminal organisation.  Wikipedia

Germany   after 1945
For wartime German agencies, see  Germany until 1945
 
BGS   Bundesgrenzschutz
Federal Border Guard of (West) Germany after WWII. Renamed in July 2005 to Bundespolizei (Federal Police) or BPOL.  Wikipedia

BKA   Bundeskriminalamt
Federal Criminal Police Office.  Wikipedia  Website

BND   Bundesnachrichtendienst
The BND (English: Federal Intelligence Service) is the German Foreign Intelligence Agency, established in 1956 as the successor to Organisation Gehlen (OG). The BND is known within the CIA by its code name CASCOPE.  More  Wikipedia  Website

BPOL   Bundespolizei
Federal Police force of Germany, after renaming the Bundesgrenzschutz (BGS) to Bundespolizei (BPOL).

BSI   Bundesamt für Sicherheit in der Informationstechnik
Federal Office for Information Security.  Website

BfV   Bundesamt für Verfassungsschutz
Federal Office for the Protection of the Constitution  Website

LfV   Landesämter für Verfassungsschutz (16 units)
State Offices for the Protection of the Constitution (one in each of the federal states). The activities are coordinated by the BfV.

MAD   Militärischer Abschirmdienst
Military Counter-intelligence Service (Military Screening Service).  Website

OG   Organisation Gehlen
West-German secret intelligence agency, established in June 1946 by US occupation authorities in the US Zone of Germany. The agency consisted of former members of the 12th Department of the German Army General Staff (Foreign Armies East) and carried the name of Wehrmacht major Reinhard Gehlen, wo had been head of German military intelligence in the Eastern section during WWII. After much critisism for hiring former Nazis, the organisation was dissolved into the current Bundesnachrichtendienst (BND) on 1 April 1956. Reinhard Gehlen stayed on as president of the organisation until his retirement in 1968.  Wikipedia

Hungary
AH   Alkotmányvédelmi Hivatal
Constitution Protection Office. Current Hungarian internal security intelligence agency, established in 2010 as the successor to the NBSZ. Responsible for counterintelligence, anticorruption, economic security and related proactive measures. Also investigative body against organized crime and subversion.  Website  Wikipedia

ÁVH   Államvedélmi Hatóság
State Protection Autority of Hungary, established in 1950 as the successor to the ÁVO. Hunted down everyone who was vaguely against the rule of Moscow over Hungary. Dissolved in 1956. After this, Hungary never had another Secret State Police. The AVO was located at 60 Andrassy Place in Budapest, in the same building where the Hungarian Nazi Arrow Cross Party was housed during WWII. The building is now a museum and is known as 'House of Terror'.  Wikipedia

ÁVO   Államvedélmi Osztálya
Hungarian State Police State Protection Department, established in 1946 as the successor of the PRO. Succeeded in 1950 by the ÁVH

BAS   Belügyminisztérium Állambiztonsági Szervek
State Security Department of the Ministry of Interior of Hungary, active from 1956-1990. Also known as Belügyminisztérium (Ministry of Internal Affairs III).

IH   Információs Hivatal
Information Office. Current intelligence agency of Hungary, involved in non-military intelligence gathering, mainly abroad.  Wikipedia

KNBSZ   Katonai Nemzetbiztonsági Szolgálat
Military National Security Service.

NBSZ   Nemzetbiztonsági Szakszolgálat
Special Service for National Security.

NH   Nemzetbiztonsági Hivatal
Office of National Security. Former Internal Security Intelligence Agency of Hungary. Established in 1990 and succeeded by the AH in 2010.

PRO   Budapesti Fokapitányság Politikai Rendészeti Osztálya
Police Main Command Political Department of Hungary in 1945. Succeeded by the ÁVO.

Netherlands
AIVD   Algemene Inlichtingen- en Veiligheidsdienst
The General Intelligence and Security Service is the secret service of The Netherlands. It is the successor to the BVD and is active since the restructuring of 29 May 2002.  Website  Wikipedia

AT   Agentschap Telecom
Radio Monitoring Service. Responsible for frequency spectrum monitoring, radio licences, and law enforcement against interference and clandestine frequency usage. Formerly known under a variety of names, including RCD, OCZ, and RDR.
 More  Website  Wikipedia

BBO   Bureau Bijzondere Opdrachten
Dutch secret operations executive during WWII. Operated from England under supervision of the Dutch Goverment in exile and directed by the British Special Operations Executive (SOE). After the war dissolved into the stay-behind organisation O&I.  More

BI   Bureau Inlichtingen
Dutch secret intelligence agency during WWII. Operated from England under supervision of the Dutch Government in exile. After the war dissolved into the stay-behind organisation O&I.  More

BNV   Bureau Nationale Veiligheid
Post-WWII Dutch Security Agency and forerunner of the BVD.

BVD   Binnenlandse Veiligheidsdienst
Former name of the Dutch Internal Security Service. Established after WWII as BNV (Bureau Nationale Veiligheid, Bureau for National Security) on 29 May 1945. Renamed to CVD (Centrale Veiligheidsdienst, Central Security Agency) in April 1946. On 8 August 1949 the name was changed to BVD. On 29 May 2002, the agency was reorganized and renamed to AIVD.

CIE   Criminele Inlichtingen Eenheid
Police criminal intelligence unit.

FIOD   Fiscale Inlichtingen en Opsporingsdienst
Fiscal intelligence and investigation service.

IDB   Inlichtingendienst Buitenland
Former Dutch Foreign Intelligence Service.

JSCU   Joint Sigint Cyber Unit
Joint operation of the Dutch intelligence services AIVD and MIVD, tasked with the interception of radio and satellite traffic (SIGINT) and information gathering through cyber-operations. Established on 15 June 2014.  Wikipedia

GOVCERT   Government Computer Emergency Responce Team
GOVCERT.nl is the Dutch center for cyber security. Since 1 January 2012 incorporated into the new NCSC.

KLPD   Korps Landelijke Politiediensten
Dutch National Police Services.  Website

MARID   Marine Inlichtingendienst
Intelligence and Security Service of the Dutch Royal Navy. In 1987 incorporated into the MID (now: MIVD).

MID   Militaire Inlichtingendienst MIVD
Dutch Military Intelligence Service, established in 1987 by merging the intelligence services of the Army, the Air Force and the Navy (MARID). Later renamed to MIVD.

MIVD   Militaire Inlichtingen en Veiligheidsdienst
Military Intelligence and Security Agency.  Website  Wikipedia

NBV   Nationaal Bureau voor de Verbindingsbeveiliging
Netherlands National Communications Security Agency (NLNCSA). Responsible for communications security of the Dutch Government. Originally established as an independent entity under the Ministry of Defense, the MVD is now part of the AIVD.  Website

NCSC   Nationaal Cyber Security Centrum
The Dutch National Cyber Security Center is a co-operation between private organisations and the Dutch Goverment. Its main goal is to improve (internet) cyber security and to intervene whenever necessary. Partners are the NCTV, the former GOVCERT.NL, the intellicence service AIVD, the Dutch National Police KLPD and various ministries. The NCSC is controlled by the NCTV.  Website

NCTb   Nationaal Coordinator Terrorismebestrijding NCTV
National Coordinator for Counterterrorism. Renamed to NCTV on 1 July 2011.

NCTV   Nationaal Coordinator Terrorismebestrijding en Veiligheid
National Coordinator for Counterterrorism and Security. Part of the Dutch Ministry of Security and Justice. Formerly called NCTb (before 1 July 2011).  Website

NLNCSA   Netherlands National Communications Security Agency NBV
International name of the Dutch Bureau for Communications Security NBV.

NSO   Nationale SIGINT Organisatie
Dutch national organization for communication interception.  Website

O&I   Operatiën en Inlichtingen
Operations and Intelligence. Dutch secret stay-behind organisation during the Cold War, from 1946 to 1992. Established after WWII from the remains of the BI and the BBO Also known as A en B (A and B).  More

RCD   Radio Controle Dienst AT
Radio Monitoring Service of The Netherlands (now: AT).  More

SIOD   Sociale Inlichtingen- en Opsporingsdienst
Social intelligence and investigation service, responsible for investigations against misuse of the social security system.

THTC   Team High Tech Crime
Department of the Dutch National Police (KLPD), located in Driebergen, responsibile for law enforcement cases in which sophisticated technology is involved, either for committing a crime, or for solving a case.

ULI   Unit Landelijke Intercpetie
Dutch nationwide interception unit. Central facility of the Dutch National Police (KLPD) for lawful internet tapping (and in some cases telephone tapping as well).

Related organisations
NISA   Netherlands Intelligence Studies Association
Dutch non-partisan voluntary studies association that focusses on the work of intelligence and security services and related police services. Membership is by invitation only. (Dutch: Stichting Inlichtingen Studies Nederland).  Website

New Zealand
GCSB   Government Communications Security Bureau
National security organisation for providing information assurance, cyber security and foreign intelligence to the New Zealand Government, Government Agencies and critical infrastructure organisations.  Website

NAB   National Assesments Bureau
Goverment agency for providing independent and impartial assesments on events and development relevant to New Zealand's national security and international relations. The NAB does not collect information itself. Established in 1975 and part of the Department of the Prime Minister and the Cabinet.  Website

NCSC   National Cyber Security Center
National centre for cyber security. Part of GCSB.

NZSIS   New Zealand Security Intelligence Service
Government agency responsible for providing the Government with information about matters related to New Zealand's security.  Website

Norway
FO/S   Forsvarets Sikkerhetsstab
Former national security authority of Norway. In 2003 succeeded by the NSM.

NSM   Nasjonal Sikkerhetsmyndighet
Norwegian National Security Authority, responsible for preventive national security, ICT security (NorCERT), internal and external threats. Established on 1 January 2003 as the successor to the FO/S.  Wikipedia  Website

Poland
ABW   Agencja Bezpieczenstwa Wenetrznego
Polish Internal Security Agency.  Website

AW   Agencja Wywiadu
Polish Foreign Intelligence Agency.  Website

Portugal
SIED   Serviço de Informações Estratégicas de Defesa
Portugese Strategic and Defence Intelligence Service  Website

SIS   Serviço de Informações de Segurança
Portugese Security Intelligence Service.  Website

Spain
CNI   Centro National de Intelligencia
Spanish National Intelligence Center.  Website

Sweden
FRA   Försvarets Radio Anstalt
Swedish National Defence Radio Establishment. Responsible for Signals Intelligence (COMINT, SIGINT, ELINT) and support for IT security to government authorities and state-owned copanies.  Wikipedia  Website

Russia
For agencies of the former Soviet Union, see → USSR.
 
FSB   Federalnaya Sluzhba Bezopasnosti Rossiyskoy Federatsii
Principal security agency of the Russian Federation and main successor to the USSR's Committee of State Security (KGB).  Wikipedia

GRU   Glavonoye Razvedyvatel'noye Upravlenye
The GRU (Russian: ГРУ) is the current Russian Military Intelligence Service. It was established by Lenin on 21 October 1918 and still operational. At one point, the GRU was bigger than the Cheka (the predecessor of the KGB. Even today, the GRU has about 6 times as many agents as the SVR (the intelligence successor of the KGB).  Wikipedia

SVR   Sluzhba Vneshney Razvedki
Russian Foreign Intelligence Service. It is the successor of the First Chief Directorate (PGU) of the former KGB.  Wikipedia

United Kingdom   UK
CESG   Communications Electronics Security Group NCSC
Renamed to National Cyber Security Centre (NCSC).

GC&CS   Government Code & Cypher School
UK agency responsible for codebreaking during WWII. Well-know for its activities on breaking Enigma and other ciphers at Bletchley Park. Later renamed to GCHQ.

GCHQ   Government Communications Headquarters
UK Intelligence Agency, responsible for Signals Intelligence (SIGINT) and information insurance. Works with MI 5 and MI 6.  More  Website

MI 5   Security Service
British Security and Counter Intelligence Service.  Website

MI 6   Secret Intelligence Service (SIS)
British Foreign Secret Intelligence Service.  Website

NCSC   National Cyber Security Centre
UK centre for cyber security. Part of GCHQ. Formerly known as Communications Electronics Security Group (CESG).  Website

SIS   Secret Intelligence Service MI 6

United States of America   USA
National Security Agency
NSA
Central Intelligence Agency
CIA
CIA   Central Intelligence Agency
Independent US Goverment foreign intelligence agency for gathering national security intelligence.
 More  Website  Wikipedia

CTIIC   Cyber Threat Intelligence Integration Center
Federal office for intelligence support in response to significant cyber incidents. Part of the Office of the Director of National Intelligence (DNI).  Website

DAMI   Department of the Army Military Intelligence
Internal, national and foreign intelligence unit of the US Army.  Website

DARPA   Defense Advanced Research Projects Agency
Fundamental research and development institute for breakthrough technologies for national security. Established in 1957 (at the time of the lauch of the Russian Sputnik satellite) and responsible for inventions in the field of stealth technology and DARPANET, which led to the development of the modern internet.  Website

DEA   Drug Enforcement Administration
Federal organisation for the enforcement of controlled substances laws and regulations.  Website

DHS   Department of Homeland Security
US Government department responsible for the (cyber) security and safety of US citizens.  Website

DIA   Defense Intelligence Agency
Military Intelligence Service for the US Department of Defense and the US Intelligence Community.  Website

DNI   Director of National Intelligence
Head of the Intelligence Community, overseeing and directing the implementation of the National Intelligence Program budget and serving as the principal advisor to the President, the National Security Council and the Homeland Security Council for intelligence matters related to national security.  Website

FBI   Federal Bureau of Investigation
United States federal law enforcement agency, tasked with the investigation of federal (cyber) crime, corruption, terrorism and counterintelligence.  Website  Wikipedia

NCPC   National Counterproliferation Center
Central coordination for the protection against weapons of mass destruction. Part of the Office of the Director of National Intelligence (DNI).  Website

NCSC   National Counterintelligence and Security Center
National coordination of the counterintelligence and security activities of the US Government, the US Intelligence Community and the US private sector. Risk analysis on intelligence collection, penetration and attacks by foreign (state) actors and other adversaries. Part of the Office of the Director of National Intelligence (DNI).  Website

NCTC   National Counterterrorism Center
National coordination center for threat analysis and counterterrorism. Part of the Office of the Director of National Intelligence (DNI).  Website

NGA   National Geospatial-Intelligence Agency
Central facility for providing geospacial intelligence to the US military and civil intelligence community.  Website

NRO   National Reconnaissance Office
Responsible for the design, building and operation of the spy satellites of the US government. Based in Chantilly, Virginia (USA).  Wikipedia

NSA   National Security Agency
Part of the American Department of Defense (DoD). Responsible for the collection and analysis of foreign communications and foreign intelligence, and for the protection of US Government communications.  More  Wikipedia  Website

ODNI   Office of the Director of National Security DNI

OSS   Office of Strategic Services
The OSS was the principal intelligence agency of the US during WWII. It was established in 1942 and succeeded after the war in 1945 by SSU, which later became CIG and then, in 1947, the CIA as we know it today.  Wikipedia

Secret Service   Also known as United States Secret Service (USSS). Federal law enforcement agency with headquarters in Washington, D.C., established in 1965 to suppress counterfeiting of US currency. Now also responsible for the protection of the nation's current and former leaders. In 2003, the USSS was transferred from the Department of the Treasury to the Department of Homeland Security.  Website  Wikipedia

USIA   United States Information Agency
Former US Agency devoted to broadcasting 'public diplomacy', a.k.a. propaganda, at the hight of the Cold War. The agency existed from 1953 to 1999 and had four divisions. The agency also had a counter-intelligence department that performed bug-sweeps.  Wikipedia

USSR   Soviet Union
For current Russian agencies, see → Russia.
 
Cheka   Chrezvychaynaya Komissiaya
The Cheka (Russian: ЧК) was the first Soviet state security organization, created by Lenin on 20 December 1917. Cheka, or VCheka (Vserossiyskaya Chrezvychaynaya Komissiaya), means All-Russian Extraordinary Commission for Combating Counter-Revolution and Sabotage. The emblem of the organization was shared with the KGB. In 1922 the organisation became part of the NKVD. It was officially dissolved in 1929.  Wikipedia

KGB   Komitet Gosudarstvennoy Bezopasnosti
National Security Agency of the Soviet Union from 1954 to 1991 (Committee for State Security). The KGB was established in 1954 as the direct successor to the Cheka, the NKGB and the MGB, and was a military service that dealt with foreign intelligence, counterintelligence, operative-investigatory activities, guarding the borders of the USSR and guarding the interests of the Central Committee of the Communist Party. After the collapse of the Soviet Union in 1991, the KGB was split into the Federal Security Service (FSB) and the Foreign Intelligence Service (SVR).  Wikipedia

MGB   Ministerstvo Gosudarstvennoy Bezopasnoti
Ministry of State Security of the Soviet Union from 1946 to 1953. One of many incarnations of the Soviet State Security apparatus.  Wikipedia

NKGB   Narodnyy Komitet Gosudarstvennoy Bezopasnosti
People's Commissariat for State Security between 1931 and 1946. The NKGB was the Soviet Secret Police, intelligence and counter-intelligence agency from 3 February to 20 July 1941, and again from 1943 to 1946, before being renamed Ministry for State Security (MGB). It is one of the predecessors of the KGB.  Wikipedia

NKVD   Narodnyy Komissariat Vnutrennikh Del
People's Commissariat for Internal Affairs between 1934 and 1946. The NKVD was a law enforcement agency of the former Soviet Union that executed the rule of power of the Communist Party. It was closely associated with the Soviet Secret Police and is particularly known for its political repression and mass executions during Joseph Stalin's reign.  Wikipedia

SMERSH   Spetsyalnye Metody Razoblacheniya Shpyonov
SMERSH (Russian: СМЕРШ) was the umbrella name of three independant Russian counter-intelligence agencies of the Red Army, between 1943 and 1946. The name SMERSH is an acronym which means 'Special Methods for Spy Detection'. Being operational during WWII, its main goal was to subvert German attempts to infiltrate the Red Army.  Wikipedia

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