Security of Information and Reliability of Computer Systems . At 2 p.m.. H. 2 Cryptographic protection of information” by Vladimir Golikov is a deep and comprehensive study in the field of information security , which will be of particular interest to specialists , as well as students, seeking to understand the complex mechanisms of data protection in today's digital world. In the second part of this two-volume edition, the author focuses on cryptographic methods of information security a key aspect that ensures data security in the face of growing cybersecurity threats. The book covers a wide range of topics, including encryption algorithms, authentication methods and digital signatures, as well as modern approaches to information security in cloud systems and mobile applications. The reader will be able to learn about the principles of operation of various cryptographic systems, their application in real-world scenarios and how they help protect the confidentiality and integrity of data. This book will be of interest not only to professional IT specialists working in the field of information security, but also to students of technical universities studying computer science and information technology. It can also attract the attention of company executives who want to better understand how to protect their information resources from external and internal threats. With cyberattacks becoming increasingly sophisticated, knowledge of the basics of cryptography and information security techniques is becoming essential for anyone working with data. The topics raised in the book are not only relevant, but also critical to modern society. In the era of digitalization, when information becomes one of the most valuable resources, data security issues come to the fore. Golikov raises important aspects, such as the protection of personal information, the security of financial transactions and the protection of intellectual property. The book helps readers realize that information security is not just a set of technologies, but a whole philosophy that requires an integrated approach and constant updating of knowledge. The style of Vladimir Fedorovich Golikov is clear and accessible, which allows even complex technical concepts to be explained simply and clearly. His previous work, such as "Information Security and Reliability of Computer Systems. H. 1”, has already gained recognition among readers, and the second part continues this tradition, deepening knowledge and expanding the horizons of understanding cryptography Golikov not only shares theoretical knowledge, but also offers practical recommendations, which makes the book useful for real life applications. If you are looking for literature on information security, cryptography and reliability of computer systems, then “Security of information and reliability of computer systems. At 2 p.m.. H. 2 Cryptographic Information Protection" is exactly what you need. This book will become a reliable assistant in mastering complex topics and will help you become more confident in a world where information is power and its protection is a necessity. Do not miss the opportunity to immerse yourself in the world of cryptography and learn how to protect your data from the threats that lie in wait at every turn.