Intelligence

KGB

Soviet intelligence and security service, 1954–1991.

Tied from

FromRoleYearsVerdictSource
A CIA history released in 2019 documents the KGB's recruitment of Heinz Felfe inside the Gehlen Organizationrecruiter1951Documented · occurredcia.gov
Heinz FelfeSoviet agent inside the BND1951–1961Documented · occurreden.wikipedia.org
Michał Goleniewskiexposed KGB penetrations of Western services from inside the Polish service1959–1961Documented · occurreden.wikipedia.org