“Operation Trust” was a Bolshevik counterintelligence operation run from 1921 to 1926 aimed at neutralizing opposition by creating the false impression that a powerful group of military leaders had organized to stop the communists’ takeover.
Operation Trust was a counterintelligence operation of the State Political Directorate (GPU) of the Soviet Union. The operation, which was set up by GPU’s predecessor Cheka, ran from 1921 to 1926, set up a fake anti-Bolshevik resistance organization, “Monarchist Union of Central Russia”, MUCR, in order to help the OGPU identify real monarchists and anti-Bolsheviks. The created front company was called the Moscow Municipal Credit Association.
Source: Information Liberation