(Answered):Network Security 28 . . . .

Question Description

* Objectives

Find methods to measure the security level of a computer network setup and/or demonstrate ways that security can be breached:

• Creating and/or using network sniffers
• Testing the effectiveness of antivirus software to detect network worms (and the performance of this software)

* Background

A security breach is any incident that results in unauthorized access of data, applications,
services, networks and/or devices by bypassing their underlying security
mechanisms. A security breach occurs when an individual or an application
illegitimately enters a private, confidential or unauthorized logical IT
perimeter.

A security breach is