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 Gen. Wojciech Jaruzelski and the Polish Communist Party; however, the vacillating, conciliatory Polish approach blunted KGB effectiveness—and Solidarity then fatally weakened the Communist Polish government in 1989. During the Cold War, the KGB actively sought to combat "ideological subversion" – anti-communist political and religious ideas and the dissidents who promoted them – which was generally dealt with as a matter of national security in discouraging influence of hostile foreign powers. After denouncing Stalinism in his secret speech On the Personality Cult and its Consequences in 1956, head of state Nikita Khrushchev lessened suppression of "ideological subversion". As a result, critical