The term "malware" is short for malicious software, and is software that's been developed specifically to cause harm to computers. Malware is usually installed without the computer user's permission or knowledge and it infiltrates the computer causing annoyances to the user and damage to the system. Malware is a general term that refers to a variety of different types of intrusive, hostile or annoying programs, and includes computer viruses, trojan horses and worms.

Computer Virus

A computer virus is a form of malware that can replicate itself and infect a computer. A virus has the ability to distribute itself from one computer to another and therefore spreads easily. For example, viruses ...

Computer Worm

A Computer Worm, like a virus, can replicate itself but the main difference between a worm and a virus, is that a worm does not attach itself to an existing file or program, and can spread over a network without any ...