The book "Fundamentals of Cryptography" by Alferov A. P. and other authors is a fascinating and informative work that immerses the reader in the world of one of the most relevant and popular areas of modern knowledge. With the rapid development of technology and an increase in the volume of information, data protection is becoming an important task for both individual users and large organizations. This book offers readers not only the theoretical foundations of cryptography, but also practical aspects that will help to understand the complex mechanisms of information protection. From the first pages, the authors immerse the reader in the exciting world of ciphers and codes, talking about how cryptography originated and how it evolved over the centuries. The reader will learn about various encryption methods, such as symmetric and asymmetric encryption, as well as about modern protocols that are used to ensure Internet security. The book not only explains how these technologies work, but also raises important questions about data security, privacy, and ethics in the digital world. "Fundamentals of cryptography" will be of interest to a wide range of readers. Students and graduate students of technical specialties, specialists in the field of information technology, as well as anyone interested in security and data protection, will find in this book a lot of useful information. Even if you do not have deep knowledge in mathematics or programming, the authors try to explain complex concepts in accessible language, which makes the book suitable for a wide audience. The topics raised in the book are more relevant than ever. In the era of digitalization, when we face cybersecurity threats every day, understanding the basics of cryptography is becoming a necessary skill. The book covers important aspects such as the protection of personal information, the security of online transactions and methods to prevent data leaks. Readers will be able to understand how cryptography affects their daily lives and what precautions should be taken to protect their data. Alferov Style A. P. and its co-authors are distinguished by clarity and accessibility. They are able to explain complex things in simple language, which makes the material not only informative, but also fascinating. The book uses real-life examples, which allows the reader to better understand how theoretical knowledge is applied in practice. In addition, the authors share their observations and experiences, which gives the text additional value. If you’re looking for books that are similar in genre, pay attention to “Cryptography and Data Security” or “Information Security: Fundamentals and Practical Aspects” These works will also help you deepen your knowledge of information security and cryptography. In conclusion, Fundamentals of Cryptography is not just a textbook, but a real find for anyone who wants to understand how the digital security world works. This book will become a reliable guide in the complex and multifaceted world of cryptography, opening up new horizons of knowledge and opportunities for the reader. Do not miss the chance to immerse yourself in this fascinating topic and protect your data with the knowledge gained from this book!