A practical guide to creating a secure network infrastructure Understand basic cryptography and security technologies Identify the threats and common attacks to a network infrastructure Learn how to create a security policy Find out how to recover from a security breach Study specific implementation scenarios for securing your network environment Learn about advances in security technologies Designing Network Security, Second Edition, is a practical guide designed to help you understand the fundamentals of securing your corporate network infrastructure. This book takes a comprehensive look at underlying security technologies, the process of creating a security policy, and the practical requirements necessary to implement a corporate security policy. You will gain a thorough understanding of basic cryptography, the most widely deployed security technologies, and key emerging security technologies. You will be able to guide the architecture and implementation of a security policy for a corporate environment by knowing possible threats and vulnerabilities and understanding the steps required to perform a risk management assessment. Through the use of specific configuration examples, y