Hardware and software networks and the basics of information security : Vladimir Valentinovich Golenkov’s educational and methodological manual is an important resource for all who are interested in modern information technologies, network systems and data security issues . This manual will be an indispensable assistant for both information technology students and practitioners seeking to deepen their knowledge in the field of network infrastructure and information security. In his book, Golenkov examines in detail the key aspects related to the hardware and software of networks. It immerses the reader in the world of network technologies, explaining how various devices and software solutions interact with each other, creating efficient and secure systems. The author not only describes the theoretical foundations, but also shares practical recommendations that will help the reader better understand how modern networks are built and how their security is ensured. The book covers a wide range of topics, including network architecture, principles of network protocols, methods of information protection and current threats in the digital world. Golenkov emphasizes the importance of integrating hardware and software solutions to create a reliable and secure network environment. It also looks at current trends, such as cloud technologies and the Internet of Things, which makes the manual relevant and useful to study. This tutorial will be especially interesting for students of technical specialties, as well as for everyone who works in the field of information technology, cybersecurity and system administration. It is suitable for both beginners and more experienced professionals who want to update their knowledge and skills. Readers interested in the topics of network security, data protection and modern technologies will find in this book a lot of useful information and practical advice. The author's style is characterized by clarity and accessibility of presentation, which makes complex technical concepts understandable to a wide audience. Golenkov uses many examples and illustrations, which helps the reader to better absorb the material and apply it in practice. His previous works were also of high quality and attention to detail, which confirms his status as an expert in the field of information technology. The book "Hardware and software networks and the basics of information protection" is not only informative, but also inspires further study of the topic. It raises important questions about how to protect information in an ever-changing digital landscape, and invites the reader to reflect on the future of technology and its impact on society. If you are looking for a tutorial that will help you understand the complex aspects of network technology and information security, this publication will be an excellent choice. Do not miss the opportunity to deepen your knowledge and expand your horizons in the field of information technology with the help of the book by Vladimir Valentinovich Golenkov .