Chapter 1. Introduction to Computer Security

Chapter Objectives

After reading this chapter and completing the exercises, you will be able to do the following:

• Identify the top threats to a network: security breaches, denial of service attacks, and malware

• Assess the likelihood of an attack on your network

• Define key terms such as cracker, sneaker, firewall, and authentication

• Compare and contrast perimeter and layered approaches to network security

• Use online resources to secure your network


It’s hard to find a facet of modern life that does not involve a computer system, at least on some level. Online purchases, debit cards, and automatic bill pay are standard parts of modern life. Some retailers are using computerized ...

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