Foreign Domestic 
Afghanistan: GDI  
Algeria: CSS  
Angola: SINSE  
Argentina: SIDE  
Armenia: NSS  
Australia: ASIO  
Austria: DSN  
Azerbaijan:  DTX  
Bangladesh: SB  
Belarus: KGB RB  
Belgium: VS/SE  
Bosnia and Herzegovina: SIPA  
Botswana: DIS  
Brazil: PF  
Brunei: IRD  
Bulgaria: DANS  
Burundi: SNR  
Canada: CSIS  
Chad: DGSSIE  
Chile: ANI  
China: MSS  
Colombia: DNI  
Congo (Democratic Republic of): ANR  
Croatia: SOA  
Czech Republic: BIS  
Denmark: PET  
Egypt: NSA  
Estonia: KAPO  
Finland: SUPO  
France: DGSI  
Georgia: SSSG  
Germany: BfV , LfV  
Ghana: GPS , CID  
Greece: EYP  
Hong Kong: NSD , CPGNSO  
Hungary: AH  
India: IB  
Indonesia: Baintelkam Polri  (id ), BIN  
Iran: VAJA , IRGC , PAVA  
Ireland: CSB , SDU , NSU  
Israel: Shin Bet  
Italy: AISI  
Japan: NPA , TMPD PSB , PSIA  
Kazakhstan: NSC  
Kenya: NIS  
Kosovo: AKI  
Latvia: VDD  
Lithuania: STT  
Lebanon: ISF IB , LSS  
Luxembourg: SREL  
Macau: DS  
Malaysia: SB  
Moldova: SIS  
Morocco: DGST  
Netherlands: NCTV  
New Zealand: NZSIS  
Nigeria: SSS  
North Korea: SSD  
North Macedonia: IA  
Norway: PST  
Oman: ISS  
Pakistan: IB , FIA  
Palestine: PPS  
Paraguay: SNI  
Peru: DINI  
Philippines: NBI , NICA  
Poland: ABW , SOP , SM  
Portugal: SIS  
Romania: SRI  
Russia: FSB  
Saudi Arabia: Mabahith  
Serbia: BIA  
Singapore: ISD  
Somalia: NISA  
South Africa: SSA  
South Korea: Intelligence Bureau, KNPA  
Spain: CITCO  
Sri Lanka: SIS  
Sweden: SÄPO  
Switzerland: NDB  
Syria: GIS  
Taiwan: MJIB  
Thailand: ISOC , SB  
Togo: ANR  
Turkey: MİT , İB  
Uganda: ISO  
Ukraine: SBU  
United Kingdom: Security Service (MI5 ) , NDEDIU , NCA , NBIS  
United States: I&A (DHS) , ID (HSI) , IB (FBI) , ONSI (DEA) , OSII (ATF)  
Uzbekistan: SNB  
Venezuela: SEBIN  
Vietnam: TC5  (vi ) 
Zimbabwe: CIO   Military 
Algeria: DCSA  
Angola: SIM  
Australia: DIO  
Austria: HNaA  
Bangladesh: DGFI  
Belarus: GRU MO RB  
Belgium: ADIV/SGRS  
Brazil: DIE  
Canada: CFINTCOM  
Chad: DGSSIE  
China: CMC JSD Intelligence Bureau  
Congo (Democratic Republic of): DEMIAP  
Croatia: VSOA  
Cuba: DCIM  
Czech Republic: VZ  
Denmark: FE  
Egypt: DMISR  
Finland: PE TIEDOS  
France: DRM , DGSE  
Germany: MAD  
Ghana: MIU  
Hungary: KNBSZ  
Iran: General Staff , SAHEFAJA , SAHEFASA , SAHEFAVEDJA  
India: DMI , DIA  
Indonesia: BAIS TNI , Pusintelad  
Ireland: IMIS  
Israel: Aman  
Italy: CII  
Japan: DIH  
Kazakhstan: NSC  
Lithuania: AOTD  
Malaysia: DIO  
Maldives: MNDF  
Morocco: DB  
Myanmar: Sa Ya Pa  
Netherlands: MIVD  
New Zealand: DDIS  
Nigeria: DIA  
North Korea: RGB  
North Macedonia: MSSI  
Norway: E-tjenesten  
Pakistan: MI , NI , AI  
Palestine: MIS  
Philippines: ISAFP  
Poland: SKW , SWW  
Portugal: CISMIL  
Romania: DGIA  
Russia: GRU  
Saudi Arabia: AFISC  
Serbia: VBA , VOA  
Singapore: MIO  
Slovakia: VS  
Slovenia: OVS  
South Africa: SANDF-ID  
South Korea: DIA , DCC  
Spain: CIFAS  
Sri Lanka: DMI  
Sweden: MUST  
Switzerland: MND , LWND  
Syria: MI , AFID  
Taiwan: MIB  
Thailand: AFSC  
Turkey: GENKUR İ.D.B.  
Ukraine: HUR MO  
United Kingdom: DI  
United States: DIA 
 
Venezuela: DGCIM  
Vietnam: TC2   Signals 
Australia: ASD  
Bangladesh: NTMC  
Brazil: 2ª Sch/EMD  
Canada: CSE  
China: SIGINT  
Croatia: OTC  
Ethiopia: INSA  
Finland: PVTIEDL  
France: DGSE , DRSD  
Germany: BND  
Ghana: RDU  
India: JCB , NTRO  
Indonesia: BSSN  (id ) 
Ireland: CIS  
Israel: 8200  
Japan: DIH  
Kazakhstan: NSC  
Netherlands: NSO , JSCU  
New Zealand: GCSB  
North Korea: RGB  
Norway: NSM  
Pakistan: JSIB  
Poland: AW , ABW , SKW , SWW , NCBC , gOR 3.FO , CRiWWRE , 2.ORel , 6.ORel , JW NIL  
Romania: STS  
Russia: Spetssvyaz  
Saudi Arabia: PSS  
South Africa: SSA  
Spain: CCN  
Sweden: FRA  
Switzerland: NDB  
Syria: MI  
Turkey: MİT-SİB  
UAE: SIA  
Ukraine: Derzhspetszviazok  
United Kingdom: GCHQ  
United States: NSA   Imagery Financial Criminal 
Argentina: DNIC  
Australia: ACIC  
Bangladesh: CID  
Canada: CISC  
Finland:  NBI  
India: CBI  
Indonesia: Baintelkam Polri  (id ) 
Italy: DIA , DIGOS  
Philippines: NBI , PNP-IG  
Poland: BWiIK KGP , CBŚP , ZOŚ KGSG , ZK KGŻW  
Romania:  DGPI  
South Africa: Crime Intelligence Division  
Spain: CGI , SIGC , CGPJ , UCO  
United Kingdom: NCA  
United States: IB (FBI) , ONSI (DEA) , OSII (ATF) , ID (HSI)   Intelligence Intelligence Defunct 
British Raj : Indian Civil Service  (Indian Imperial Police , Indian Political Intelligence Office )Cambodia under the Khmer Rouge : Santebal Confederate States of America : Confederate Secret Service Dutch East Indies : Politieke Inlichtingendienst , Netherlands East Indies Forces Intelligence Service Fascist Italy : OVRA Gaddafi Libya : Mukhabarat el-Jamahiriya Imperial Japan : Battotai , Tokko 
Kingdom of France : Cabinet noir Secret du Roi Ming Dynasty : Embroidered Uniform Guard , Eastern Depot , Western Depot  [zh ] , Internal Depot  [zh ] Ottoman Empire : Yıldız Intelligence Agency , Special Organisation , Umur-u Hafiye 
Pahlavi Iran : SAVAK , Second Bureau of Imperial Iranian Army Prussia : Prussian Secret Police Republic of China : NBIS Roman  and Byzantine Empires : Frumentarii Agentes in rebus Bureau of Barbarians Tsardom  and Empire of Russia : Oprichniki , Okhrana , Special Chancellery , Third Section of His Imperial Majesty's Own Chancellery Nazi Germany : Gestapo , Sicherheitsdienst Soviet Union : NKVD , KGB United Kingdom : DMI United States : Office of Strategic Services Wang Jingwei regime : Jessfield 76  [zh ; de ; ja ] Yugoslavia : KOS  Related