A person or thing from which information can be obtained.
A NATO definition cited in the British doctrine JDP 2-00; the United Kingdom understands a source more broadly, including processes and systems. An organisation or person that collects or processes information is, in NATO terminology, an agency.1
Sources
- UK Ministry of Defence, JDP 2-00 Intelligence, Counter-intelligence and Security Support to Joint Operations, Edition 4, August 2023
Checked: 3 November 2026