The book "Investigation of methods of information protection in data collection systems: methodical instructions for laboratory work on courses "Coding Theory" by Salomatin S. B. is a unique work that combines theoretical foundations and practical aspects of information security in modern information systems. This work will be of interest not only to students studying coding theory, but also to specialists in the field of information security, as well as to anyone who wants to understand more deeply how data protection is implemented in the conditions of rapidly developing technologies. In the context of digitalization and the constant growth of the amount of information we process, data protection is becoming one of the most pressing topics. Salomatin in his book invites readers to immerse themselves in the world of methods and technologies that help ensure the security of information in data collection systems. It considers various approaches to coding, as well as methods to minimize the risks of leaks and unauthorized access to data. The reader will be able to learn how to correctly apply theoretical knowledge in practice, which makes the book especially valuable for students and practitioners. Who can like this book? First of all, it will be useful for technical students studying computer science, cybersecurity and coding theory . It will also attract the attention of graduate students and young professionals who seek to deepen their knowledge in the field of information security. In addition, the book may be of interest to teachers who are looking for quality teaching materials for their courses. It is important to note that the work is written in accessible language, which makes it understandable even for those who are just beginning to get acquainted with this complex but fascinating topic. The topics raised in the book cover a wide range of issues related to information protection: from the basics of coding theory to the practical methods used in real systems. Salomatin emphasizes the importance of data protection in the face of constant threats from cybercriminals and invites readers to consider various scenarios in which the use of certain methods of protection may be required. The book not only teaches, but also inspires further research in this area, emphasizing that information security is not only a technical task, but also an important aspect that concerns all users of modern technologies. The style of the author is distinguished by clarity and logical presentation, which allows readers to easily digest the material. Salomatin, as an experienced teacher and researcher, is able to find a balance between theory and practice, which makes his work in demand among students and specialists. In his arsenal there are other well-known works devoted to information technology and security, which also deserve attention. If you are looking for a book that will help you to understand the complex issues of information security, “Research on methods of information security in data collection systems” will be an excellent choice. This work will not only enrich your knowledge, but will also give you practical skills that will be useful in your future career. Do not miss the opportunity to immerse yourself in the world of coding theory and data protection, opening up new horizons in the field of information technology!