From the publisher: The book provides both technical information describing attacks and protection against them, as well as recommendations for organizing the process of ensuring information security. Practical examples for organizing the protection of personal data in accordance with the Federal Law of July 27, 2006 No. 152-FZ “On Personal Data” and other regulations are considered. The second edition brings the technical information up to date and also takes a deeper dive into the practicalities involved in conducting security audits and penetration tests for various systems. Modern solutions for routing, wireless communications and other areas of information technology development are discussed in detail.