KnowraHuman intelligenceLinked fromLinked fromThe 11 pages that link to Human intelligence, each with the reason it gives.All 11Broader topic 2Related 3Narrower topic 3Compared with 3Signals intelligenceCompared with: It relies on people rather than intercepted signals as its primary source.Aerial reconnaissanceCompared with: Human sources can explain intent and context that airborne sensors cannot directly observe.Spy fictionRelated: Informants, agents, and handlers make personal trust a source of both evidence and danger.EspionageBroader topic: Espionage often depends on recruiting people with access to protected information.Open-source intelligenceCompared with: HUMINT relies on people as sources, unlike OSINT's publicly available material.DefectionNarrower topic: Defectors can provide human intelligence unavailable through surveillance or documents.MI6Narrower topic: Recruiting and handling people overseas is a central way SIS obtains secret information.MossadRelated: Mossad relies on people and access to collect information unavailable through technical surveillance.Military intelligenceBroader topic: Human sources can reveal intentions and context unavailable from sensors.Oleg PenkovskyNarrower topic: Penkovsky was a human source whose access came from his Soviet military position.Plant (deception)Related: A plant may function as a concealed human source inside a target group.