Summary- computer virus

Page 1

A virus is a computer program that enters the computer system attaching itself to another computer program, and spread itself across the system.

Viruses are created by hackers and crackers, who are people who want to show off their programming skills.

Virus spreads through emails, pen drives, other sources.

There are different kinds of viruses:

Overwrite

Boot

Macros

Directory

File infectors

Malware

Spyware

Worms

Sweeper

Trojan/ Trojan horses

Logic bombs

Computer can be protected against viruses through the help of Antivirus softwares.