# Communications Intelligence Communications intelligence (COMINT) concerns intelligence derived from communications between people or systems. It is generally treated as a branch of [[Signals Intelligence|SIGINT]]. ## Notebook evidence [[Scanned_20260730-1830]], PDF page 2, lists COMINT while expanding the Five Eyes/ECHELON research into collection disciplines. ## Boundary COMINT names a discipline, not a single program, authority, agency, sensor, or collection event. Content, signaling data, traffic analysis, metadata, and later queries must be recorded separately. ## Source - [[Scanned_20260730-1830]], PDF page 2.