Intro to Computer Forensics

Essay by yasser.aliyanCollege, UndergraduateA+, July 2007

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{DATE\\@ "06/03/2007"}

Student's Name: Yasser Aliyan

Assignment Type: IP

Cryptography Concepts

Unit: 1

Course: ITS660-0702A-01

Dr. Prof: Jose M. Nieves

Special Topics in Network Security

Cover Page

Intro to Computer Forensics

{DATE\\@ "06/03/2007"}

Student's Name: Yasser Aliyan

Assignment Type: IP

Cryptography Concepts

Unit: 1

Course: ITS660-0702A-01

Dr. Prof: Jose M. Nieves

A computer virus is a damaging computer program. It is usually designed to make other software malfunction by attaching itself to any software within contact. Virus programs attack and destroy data in computer systems. They also have the capacity to spread out to other computer systems that have contact with the infected ones. Because of the dangerous damage they cause, computer viruses

There are three types of viruses; a boot sector virus which infects the boot program that starts the system. The virus then is loaded into the computer memory and spreads through any floppy disk.

The second type is the file virus which inserts virus code into program files that spreads into any program accesses the infected file. Another type is the Trojan virus.

Some viruses would cause computer systems to freeze temporarily, followed by a sound or message. Other viruses have a logic bomb which is an activity that takes place when a certain action takes place in the computer. A worm is like a virus which copies itself until there is no memory left on the computer.

Antivirus programs have been developed to detect, repair and remove viruses. In case of an infected file that can not be removed, the antivirus program places it in a backup place. An antivirus program, such as Norton Antivirus, is very important on a computer. In addition to antivirus, personal and administrative practices and institutional polices should be established.

Antivirus software can...