The book "Reliability of software and hardware of data transmission systems of nuclear power plants", written by the team of authors, is an important and relevant work that immerses the reader in the world of high technology and nuclear energy. This publication will become an indispensable source of knowledge for nuclear power professionals, engineers, students of technical universities and anyone interested in safety and reliability in critical systems. With the rapid development of technology, the reliability of software and hardware is becoming a key aspect, especially in high-risk areas such as nuclear energy. The authors of the book carefully analyze the existing data transmission systems at nuclear power plants, identify their vulnerabilities and offer modern solutions to improve their reliability. This makes the book not only theoretically significant, but also practically useful for implementation in real practice. One of the central themes of the book is the analysis of the risks associated with the use of software in control systems of nuclear power plants. The authors emphasize the importance of an integrated approach to reliability assessment, which includes both hardware and software components. The reader will be able to learn about the methods of testing and verification, which help to minimize the likelihood of failures and accidents, as well as the best practices used in international practice. The book will be of interest not only to professionals, but also to students who are just beginning their journey in the field of nuclear energy and information technology. It will help them better understand how complex systems function and what requirements are placed on their reliability. In addition, the publication will be useful for managers and project managers working in the field of nuclear energy, as it highlights the key aspects of risk management and safety. The style of the authors is distinguished by clarity and accessibility, which makes complex technical concepts understandable even for an unprepared reader. They use examples from practice, which allows them to better absorb the material and see its application in real life. The book contains many illustrations and diagrams that help to visualize the topics discussed and make reading more fascinating. If you are looking for literature on these topics , Software Security , reliability of control systems , and questions , related to nuclear energy, the "Reliability of software and hardware of data transmission systems of nuclear power plants" will be a real find for you. This publication will not only expand your knowledge, but also help you better navigate current challenges and trends in nuclear energy. The book may also attract the attention of researchers working in related fields, such as cybersecurity and systems engineering. In the context of global changes and growing threats in the field of information technology, issues of reliability and security are becoming especially relevant. The authors raise important topics such as the impact of the human factor on the reliability of systems and the need for continuous training and advanced training of specialists. Thus, “Reliability of software and hardware of nuclear power plant data transmission systems” is not just a book, but an important contribution to the development of knowledge about safety and reliability in nuclear energy. It will become a reliable helper for all who seek to improve their knowledge and skills in this critical area.