In today's online, connected world where computers outsell TVs and e-commerce sales surpass those of "brick-and-mortar" stores, secure network environments are a necessity. Weaknesses within networks have led to the rapid growth of identity theft and computer virus outbreaks, so the demand for skilled and aspiring system administrators who can protect networks is growing. If you are tasked with protecting your networks from these threats, or are studying security, Introduction to Network Security will help you increase your understanding of potential threats, learn how to apply practical mitigation options, and react to attacks quickly. The book teaches you the skills and knowledge you need to design, develop, implement, analyze, and maintain networks and network protocols. It explains how these systems currently operate and the limitations that lead to security weaknesses. All of the fundamental issues needed to understand network security, including the definition of security terms, security ethics, the OSI network model, and cryptography for networks are covered in detail. The book focuses on the seven layers in the OSI network model by describing each overall layer, its security role, common vulnerabilities, and mitigation techniques. The discussion of each layer is followed by explicit examples of common protocols within the layer and their respective security issues. The last part of the book explores the common risks for secure network design and development, including the impact of modularity on security and a summary of the general security issues. If you are new to network security, a general IT administrator, or a student, this is a must-have a resource to help ensure that you have the skills and knowledge required to protect your networks!

Amazon.com® Reader Reviews (Ranked by Helpfulness)

Average Amazon.com® Rating:  Based on 3 Ratings

Good Background for Your New Assignment - 2006-08-04
Reviewer Rating:
When I first picked up this book I noticed that the title started with 'Introduction.' And the back cover of the book says that it is 'Beginning to Intermediate' level. I wanted something a bit more than the basic simple 'run anti-virus software' level books. And on the other hand I didn't want something that merely told you how to configure your super dooper Cisco invasion protection hardware or the various Microsoft .

This book was exactly at my level. That is, one with reasonable experience in computing, but little depth in the security area. It talks about security at virtually all levels from surveys of what end users are thinking to the various OSI levels. It provides the background, the basic understanding that a systems administrator or anyone else responsible for protecting your network from the bad guys that are out there.

The CD included with the book contains almost as much material (maybe even more) than the book including standards, white papers, programs and more.

All the fundamental concerns and including security terms, ethics, and issues - 2006-10-14
Reviewer Rating:
Neal Krawetz's INTRODUCTION TO NETWORK SECURITY is for any working in the field of network protection, and for students studying network or computer security issues. Learn how to understand and identify potential threat, apply mitigation options, and react to attacks quickly with a title surveying all the fundamental concerns and including security terms, ethics, and issues. Examples are based on the latest network protocols and models provided are specific to common real-world scenarios.

Diane C. Donovan
California Bookwatch

Solid book with good info - 2006-09-05
Reviewer Rating:
Im a pretty experienced network admin, but I needed to come up to speed a bit on security basics as part of a new project I've been assigned.

This book proved very helpful. Its clearly written and has good illustrations and does a nice job of walking one through security. Too basic for an expert of course--but if you are like me and have bits and pieces of knowledge about security it does a good job of helping you connect the dots.

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