Methods and means of protecting communication objects from unauthorized access . Course design: educational method. Belyaev B . and . is an indispensable source of knowledge for students, graduate students and specialists in the field of information security and telecommunications . This guide not only highlights current information security issues, but also offers readers practical advice on the design of security systems, making it ideal for those seeking to deepen their knowledge in this important area. In today's world, where information is becoming one of the most valuable resources, issues of data protection and communication facilities come to the fore. Belyaev's book touches on key aspects related to unauthorized access to information, and offers readers a systematic approach to the design of effective remedies. The author shares his knowledge and experience, which makes it possible to understand how to properly organize the protection of communication facilities in order to minimize risks and threats. The manual will be especially useful for students of technical specialties, as well as for those who are interested in information security, communication systems and design. If you are studying at the Faculty of Information Technology, Cybersecurity or Telecommunications, this tutorial will be your reliable companion in learning the basics of information security. The book will also be of interest to practitioners who want to update their knowledge of modern protection methods and apply them in practice. The topics raised in the book cover a wide range of issues, including cryptographic security techniques, access control systems, and network-level security organization. Belyaev emphasizes the importance of an integrated approach to protection, which includes both technical and organizational measures. Readers will be able to learn about the different types of threats that communication objects face and how to develop a defense strategy that will fit the specifics of a particular object. The author's style is distinguished by clarity and accessibility of presentation, which makes the material understandable even for those who are just beginning to get acquainted with this topic. Belyaev B . and . He has extensive experience in information security and telecommunications, which allows him to share practical examples and recommendations that can be useful in real-world conditions. His other works are also devoted to information security and communication systems, and they have earned recognition among professionals. The book "Methods and means of protecting communication objects from unauthorized access" will be an excellent addition to the library of everyone who is interested in information security. It will not only help to understand the basic principles of protection, but also provide an opportunity to apply the knowledge gained in practice. If you are looking for information on how to protect your data and communication objects, this guide will become your reliable assistant. In conclusion, it is worth noting that this textbook not only enriches the theoretical knowledge of the reader, but also offers practical tools for solving real problems in the field of information protection. If you want to be one step ahead in a world where data security is becoming critical, Belyaev’s book is what you need.