Active reserve (KGB) officers with a military rank who worked undercover in the Soviet Union. "Trusted contacts" were high placed civilians who collaborated with the KGB without signing any official working agreements, such as directors of personnel departments at various institutions, academics, deans, or writers and actors. Informers were citizens secretly recruited by the KGB, sometimes using forceful recruitment methods, such as blackmail. The precise number of people from various categories remains unknown, but one of the estimates was 11 million "informers" in the Soviet Union, or one out of every eighteen adult citizens The active reserve was established by Yuri Andropov in
KGB collapsed. The KGB was succeeded by the Federal Counterintelligence Service (FSK) of Russia, which was succeeded by the Federal Security Service of the Russian Federation (FSB). The republican affiliation offices almost completely duplicated the structural organization of the main KGB. The Chairman of the KGB, First Deputy Chairmen (1–2), Deputy Chairmen (4–6). Its policy Collegium comprised a chairman, deputy chairmen, directorate chiefs, and republican KGB chairmen. KGB The KGB (Komitet gosudarstvennoy bezopasnosti, ), translated in English as Committee for State Security, was the main security agency for the Soviet Union from 1954 until its break-up in 1991. As a direct