The book "Methodology of identification analysis of infocommunication systems" by B. In. Kotenko is a fascinating and in-depth study that opens up new horizons in the field of information technology and communication systems. In a world where information flows are the basis for decision-making and data security is a priority, this work represents an important contribution to the understanding and analysis of information and communication systems. The author focuses on the methodology that allows to effectively identify and analyze various aspects of infocommunication systems. Kotenko offers the reader a unique perspective on how data can be systematized and structured to ensure its security and accessibility. It explores different approaches to identification, looking at both theoretical and practical aspects, making the book useful for both students and professionals in the field of IT and telecommunications. This book will be especially interesting for those who are fond of information technology, cybersecurity and system analysis. Students, graduate students and practitioners will be able to find a lot of useful information in it that will help them deepen their knowledge and skills. It will also be of interest to teachers who are looking for modern approaches to training in the field of information and communication technologies. Kotenko raises important topics such as data security, information flow management, and systems analysis techniques. He focuses on how to correctly identify the threats and risks associated with information and communication systems, which is a pressing issue in today's world, where cyber attacks are becoming increasingly sophisticated. The reader will be able to see how theoretical concepts are applied in practice, which makes the material accessible and understandable. The author’s style is distinguished by clarity and logical presentation . Kotenko is able to explain complex things in simple language, which allows the reader to easily digest the material. His previous work is also noteworthy, as it addresses current issues in the field of information technology and security. For example, books on systems analysis and project management show his deep understanding of the subject and ability to share his knowledge. “The methodology of information and communication systems identification analysis” is not just a textbook, but a real find for everyone who wants to be one step ahead in the rapidly changing world of technology. It inspires new ideas and approaches, encouraging the reader to think about how to improve existing systems and protect information from possible threats. If you are looking for a book that will help you understand the complex issues of identification and analysis of information and communication systems, then work B. In. It will be a great choice.. It will not only expand your knowledge, but also give you the opportunity to look at the world of technology from a new perspective. Do not miss the chance to get acquainted with this work, which will be useful for both professionals and lovers of information technology.