The book "Practices on the discipline of Network Security and its planning", written by a team of authors, is an indispensable resource for anyone interested in the protection of information and the security of network systems. With the rapid development of technologies and an increase in the number of cyber threats, this publication becomes relevant and necessary for students, specialists and practitioners in the field of IT security. Networking and data transfer have become an integral part of our lives, and every day the number of threats associated with cyber attacks is only growing. In this book, the authors offer readers a deep dive into the world of network security, revealing key aspects of planning and implementing effective protection strategies. Readers will be able to get acquainted with the basic principles of building secure networks, as well as with methods for assessing risks and vulnerabilities. The structure of the book is thought out in such a way that the reader can not only get theoretical knowledge, but also apply them in practice. Each section contains practical tasks and cases, which allows you to consolidate the studied material and develop the skills necessary to work in the field of network security. This is especially useful for students and aspiring professionals who seek to gain practical experience and confidence in their knowledge. The book will be of interest not only to students of technical specialties, but also to professionals working in the field of information technology, system administrators, as well as anyone who wants to deepen their knowledge in the field of cybersecurity. If you are interested in data protection, network administration or security planning, this publication will be a real guide for you. The topics raised in the book cover a wide range of issues, including access control, data encryption, malware protection, and incident analysis. The authors pay particular attention to the importance of creating comprehensive security strategies that take into account both technical and organizational aspects. This makes the book not only a tutorial, but also a practical guide for professionals working in real-world conditions. The style of the authors is characterized by accessibility and clarity of presentation, which allows the reader to easily assimilate complex concepts. They use many examples from real practice, which makes the material more clear and understandable. The team of authors includes experienced specialists in the field of network security, which adds additional value and authority to the book. If you’re looking for books on cybersecurity, network administration, or security planning, “Network Security Discipline Practices and Planning” will be a great addition to your library. This publication will not only help you to master the necessary skills, but also prepare you for the challenges you may face in your professional activities. In conclusion, this book is not just a tutorial, but a whole workshop that will help you become an expert in the field of network security. It will inspire you to learn new technologies and methods of protection, as well as give confidence in their abilities. Do not miss the opportunity to expand your horizons and deepen your knowledge in one of the most relevant and popular areas of the modern world!