Title: Tower of secrets
Description: Former KGB officer gives a detailed view of the secret communications security and signals directorate.
Subjects: Biography, Ciphers, Intelligence officers, Intelligence service, Soviet Union, Soviet Union. Komitet gosudarstvennoĭ bezopasnosti, Intelligence service, russia (federation), Soviet union, komitet gosudarstvennoi bezopasnosti, Defectors
Places: Soviet Union
People: Victor Sheymov (1946-)