Chapter 1

Extending OSI to Network Security

Introduction

“Everything old becomes new again.” The goal of this chapter is to take the well-known Open Systems Interconnect (OSI) model and use it to present security topics in a new and unique way. While each of the subsequent chapters focuses on one individual layer, this chapter offers a high-level overview of the entire book.

Our Approach to This Book

This book is compiled of issues and concerns that security professionals must deal with on a daily basis. ...

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