National law enshrines the powers of law enforcement agencies to obtain factual data that can be recognized as evidence and which the court assesses for legality (admissibility). Collection, verification and evaluation of evidence is possible only in the manner prescribed by law. Effective investigation of cyber diversion committed with the use of computers, systems and computer networks and telecommunication networks is impossible without the use of covert investigative (search) actions, as most of the information about the person who committed it, accomplices and the circumstances of the criminal event cannot be obtained in any other way. Peculiarities of application in criminal proceedings, open for the criminal state “Diversion”, committed with the help of computers, systems and computer networks and telecommunication networks, such unspoken following search actions are considered − audio surveillance of a person, video surveillance of a person, audio surveillance of a place, video surveillance of a place, surveillance of a person, thing or place, removal of information from transport telecommunication networks, removal of information from electronic information systems, inspection of publicly inaccessible places, housing or other performing a special task to detect the criminal activities of an organized group or criminal organization. It is concluded that the ability to organize in a timely manner and, accordingly, the use of covert investigative (search) actions is the key to effective prevention and cessation of cyber diversion, prevention (minimization) of socially dangerous consequences for the object of encroachment. Depending on the investigative situation, it is necessary to select and organize the most appropriate covert investigative (search) actions, which in their content are theoretically able to solve the priority tactical tasks of criminal proceedings. The organization of the complex application of covert investigative (search) actions is one of the organizational and tactical tasks of the investigator, for the solution of which the latter must bear personal responsibility, as it directly affects the effectiveness of establishing all the circumstances of cyber diversion, ways to conceal stages of criminal offense, unknown accomplices of them, relations with special services of other countries.
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