The book "Protection of information in computer networks: educational and methodological manual" by the author and . P. Kobyak is an indispensable resource for anyone interested in information security in the modern world. With the rapid development of technology and an increase in the number of cyber threats, this manual becomes more relevant than ever. Author, E. P. Kobyak is a recognized expert in the field of information technology and data protection. His in-depth knowledge and practical experience make it possible to create material that will be useful to both students and professionals in the field of IT. The book covers a wide range of topics, ranging from the basics of information security theory to the practical aspects of implementing security measures in computer networks. In this tutorial you will find a detailed description of the various methods and technologies used to protect data. Kobyak considers both traditional approaches and modern solutions, such as encryption, authentication and intrusion detection systems. Readers will be able to learn about the principles of network protocols and mechanisms that ensure the security of data transmission. The book will be of interest not only to students of technical specialties, but also to practitioners working in the field of cybersecurity. It will be a useful tool for those preparing for exams or certifications in the field of information security, as well as for those who want to deepen their knowledge in this important and constantly evolving field. The topics raised in the book cover not only technical aspects, but also legal and ethical issues related to the protection of information. Kobyak emphasizes the importance of compliance with data protection legislation and considers the impact of cyber threats on business processes. This aspect makes the book especially valuable for company executives and information security professionals who need to understand not only the technical but also the legal consequences of their actions. Writing style and . P. Kobyak is clear and accessible. He skillfully combines theoretical knowledge with practical examples, which makes the material easy to perceive. The book is full of illustrations, diagrams and tables that help to better understand complex concepts. This manual will be an excellent addition to training materials on information security and computer networks. If you are looking for literature that will help you understand modern cybersecurity challenges, “Protecting Information in Computing Networks” is what you need. The book will also be useful for those interested in topics related to network technology, risk management and data protection. Do not miss the opportunity to get acquainted with this important work, which will help you not only to improve your knowledge, but also to prepare for real challenges in the field of information security. Protecting Information in Computer Networks is your reliable guide to the world of cybersecurity that will help you become a more confident and competent specialist in this field.