In this monograph, the criminal-legal aspects of the illegal use of computer information in the field of information technology, the legal basis of the criminal law, the improvement of the norms of the JK, which define the responsibility for the illegal use of computer information, the elimination of the shortcomings arising in practice in the qualification of these crimes and the imposition of punishment, have been researched and developed. the experience of the countries was analyzed.Also, in the monograph, the criminal-legal description of the illegal use of computer information in the field of information technology is comprehensively covered, and the issues of eliminating existing problems in the practice of law enforcement by improving criminal legislation are highlighted.