An unwanted guest


Malware is any malicious software designed to disrupt computer functions, gather information or knowledge without permission, gain unauthorized access or cause other damage to your computer or programs.

Below are examples of malware:


A software program that spreads from one computer to another, it nay corrupt or delete data, or wipe out the hard drive.


Worms are computer codes that spread without user interaction, usually through email. Worms use your address book or any stored email addresses to send infected emails.


A rootkit is a form of malicious software that is usually used to hide other computer viruses from detection. A rootkit can give someone else control over your computer without you knowing it.

Trojan Horse

A trojan horse is a malicious computer program that hides inside other programs. It can load a code into your operating system that will allow a hacker access to your computer.

Rogue Security Software

This is typically disguised as a legitimate virus remover but once downloaded can prevent programs from running.


This can be installed on your program without your knowledge. It can change the configuration of your computer, collect personal information, track your browsing history, or redirect your browser.


Adware is a program that feeds advertising which allows multiple pop-ups to appear on your computer. In addition, it can track your usage history so ads appear on products you may have been browsing.

Preventing Malware

There are several things you can do to avoid a computer takeover:

1) Never open an attachment or email unless you know who it is from.
2) Install an anti-virus software on your computer
3) Keep your files backed up.
4) Use a firewall
5) Use a secure web browser
6) Install an anti spyware program
7) Keep patches updated on your computer
8) Buy an Apple!