Computer Security Fundamentals, 4th Edition

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, penetration tester, firewall, and authentication

• Compare and contrast perimeter and layered approaches to network security

• Use online resources to secure your network

Introduction

Since the first edition of this book, the prevalence of online transactions has increased dramatically. In 2004 we had e-commerce via websites; in 2019 we have smart phone apps, the Internet of Things, medical devices that communicate ...