Enterprise-Wide Security Architecture and Solutions Presentation Guide

8.1 Computer Viruses

Figure 91. Computer Viruses

Key Points

Computer viruses are a major security threat that are capable of spreading and

causing malicious damage.

Presentation Script

A computer virus is one type of threat to the security and integrity of computer

systems. Like other threats it can cause the loss or alteration of programs or

data. Unlike many other threats, a computer virus can spread from program to

program, and from system to system, without direct intentional intervention.

How a computer virus works:

Typically a computer virus performs two functions.

First it copies itself into previously uninfected programs or files. Second

(perhaps ...