Page 7 - DCAP516_COMPUTER_SECURITY

Avinash Bhagat, Lovely Professional University
Unit 1: Introduction to Computer Security

Unit 1: Introduction to Computer Security Notes

CONTENTS
Objectives
Introduction

1.1 Basic Components of Security
1.2 Essentials of computer Security
1.3 Threats to Computer Security

1.3.1 Errors and Omissions
1.3.2 Fraud and Theft
1.3.3 Loss of Physical and Infrastructure Support
1.3.4 Malicious Hackers
1.3.5 Malicious Code

1.4 Goals of Security
1.5 Security Policies and Procedures
1.6 Ways to Ensure Computer Security

1.7 Security Precautions
1.8 Summary
1.9 Keywords
1.10 Review Questions
1.11 Further Readings

Objectives

After studying this unit, you will be able to:
Discuss the importance of computer security

Learn about the basic components of computer security
Know about the various goals of security
Understand the various threats to computer security

Introduction

This unit deals with the basic concepts relating computer security. The remainder of the book
will elaborate on these concepts in order to reveal the logic underlying the principles of these
concepts.
We begin with basic security-related services that protect against threats to the security of the
system. The next section discusses security policies that identify the threats and define the
requirements for ensuring a secure system. Security mechanisms detect and prevent attacks and
recover from those that succeed. Analyzing the security of a system requires an understanding

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