The book "Сборник статей об агентурнооперативной и следственной работе КГБ СССР" (Collection of Articles on Counterintelligence and Operational Work of the KGB of the USSR) is a comprehensive guide to the principles and practices of counterintelligence and operational work of the Soviet Union's Committee for State Security (KGB). The book provides an in-depth look at the various aspects of counterintelligence and operational work, including the methods and techniques used by the KGB to gather information, analyze and evaluate intelligence, and conduct investigations. The book is divided into several sections, each of which focuses on a specific aspect of counterintelligence and operational work. The first section provides an overview of the history and development of the KGB's counterintelligence and operational work, highlighting the key milestones and achievements of the organization. The second section delves into the technical aspects of counterintelligence, discussing the use of technology and equipment in the gathering and analysis of intelligence. The third section explores the role of human intelligence (HUMINT) in the KGB's operations, including the use of informants and other sources of information. The fourth section examines the use of surveillance and other methods of gathering information, such as electronic eavesdropping and visual observation.

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