The book "Methods and means of protection of objects from unauthorized access: training manual" by Lynkov L. M. is an important work that immerses the reader in the world of security and information protection. With the rapid development of technology and an increase in the number of cyber threats, this book becomes a desktop guide for information security specialists, students of specialized universities and anyone interested in data and object protection issues. The focus of Lynkov is on methods and means to effectively resist unauthorized access to various objects - whether it is physical premises, information systems or even personal data. The author carefully analyzes existing threats and offers the reader a number of strategies and technologies that can be used to minimize risks. The book covers a wide range of topics, from basic security to specific security techniques such as biometric systems, video surveillance systems, and software solutions for information security. Readers interested in security issues, the book will be useful not only from a practical point of view, but also from a theoretical point of view. Linkov demonstrates how security science is evolving in response to new challenges, and how important it is to be aware of the latest trends in this field. The book combines both theoretical aspects and practical recommendations, making it an indispensable resource for professionals and students. Who can like this manual? First of all, it will be interesting for students studying in specialties related to information security, computer science and engineering . The book will also be useful to professionals working in the field of information security, system administrators and IT managers who seek to improve their knowledge and skills in the field of security. In addition, it can attract the attention of heads of organizations that want to ensure the protection of their data and objects from unauthorized access. The topics raised in the book are extremely relevant. As cyberthreats become more sophisticated, an understanding of security techniques becomes necessary to ensure security both at the individual user level and at the organization level. Lynkov emphasizes the importance of an integrated approach to security, which includes both technical and organizational measures. This allows the reader not only to understand what protections exist, but also how to effectively integrate them into existing security systems. Lynkov’s style is clear and accessible, which makes complex technical concepts understandable even for an unprepared reader. His previous work was also noted for its high quality presentation and practical focus, which confirms his status as a security expert. By reading this book, you can not only gain new knowledge, but also learn how to apply it in practice. If you are looking for information on how to protect your data, how to prevent unauthorized access and what modern technologies can help in this, then “Methods and means of protecting objects from unauthorized access” will become an indispensable source for you. This book will not only expand your horizons, but also help you become more aware and prepared for the challenges of the modern world. Don’t miss the opportunity to learn more about security and data protection this book will be your trusted guide to the complex but fascinating world of data protection.