List of intelligence gathering disciplines

Intelligence Gathering Disciplines

• HUMINT - Human Intelligence - Intelligence gathered from a person on the ground
• IMINT - Imagery Intelligence - Intelligence gathered from satellite and aerial photography
• OSINT - Open Source Intelligence - Intelligence gathered from open sources
• SIGINT - Signals Intelligence - Intelligence gathered from interception of signals

To be included?

• ELINT - Electronic Intelligence - Intelligence gathered from electronic sensors
• MASINT -
• TECHINT - Technical Intelligence

see also:

• cryptanalysis
• traffic analysis