Virus Definition
History of Viruses
Types of Viruses

 

Home >> Virus Information

 

Computer Viruses: An Introduction

Your computer has probably been infected by computer viruses. But what exactly is a computer virus?

A computer virus is a program that spreads itself by first infecting executable files or the system areas of hard and floppy disks and then making copies of itself. Viruses usually operate without the knowledge or desire of the computer user, often causing harm to the users computer system.

A more Complete Definition of Virus

The History of Computer Viruses

Types of Viruses