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Intelligence cycle management
   
Intelligence
collection
management
HUMINT/
Human Intelligence
Clandestine HUMINT (recruiting · operational techniques · Covert action · Direct action · Clandestine cell system)
Special reconnaissance (organizations)
Espionage (Agent handling · Black bag operation · Concealment device · Cryptography · Cut-out · Dead drop · Eavesdropping · False flag operations · Honeypot · Non-official cover · Interrogation · Numbers messaging · One-way voice link · Steganography · Surveillance)
   
SIGINT/
Signals Intelligence
SIGINT by Alliances, Nations and Industries · SIGINT Operational Platforms by Nation

 · SIGINT in Modern History 

· TEMPEST 

· Direction finding 

· Traffic analysis

   
MASINT/
Measurement and
Signature Intelligence
Electro-optical · Nuclear 

· Geophysical 

· Radar

 · Radiofrequency 

· Materials 

· Casualty estimation

   
Others OSINT/Open Source Intelligence · IMINT/Imagery Intelligence 

· GEOINT/Geospatial Intelligence 

· FININT/Financial Intelligence 

· TECHINT/Technical intelligence

 

   
Intelligence
analysis
management
Intelligence analysis · Cognitive traps for intelligence analysis · Words of Estimative Probability · Analysis of Competing Hypotheses 

· Intelligence cycle (target-centric approach)

   
Intelligence
dissemination
management
Intelligence cycle security · Counter-intelligence · Counter-intelligence and counter-terrorism organizations 

· List of counterintelligence organizations · Counterintelligence failures