Once you're connected to the Internet, the world can get to your computer.

When your computer is connected to the Internet, you are instantly at risk. Hackers seek out machines with vunerabilities just like yours, often using them to send spam, launch attacks on other machines or simply test their skills by tampering with your machine.

ALL computers connected to the internet NEED to have a firewall installed.

Firewalls are like the lock on your front door. It would be nice if you didn't need them, but in reality they are essential.

Whilst there are some sites which offer a free software firewall, when it comes to firewalls you get what you pay for.

Here's our guide to firewalls. Pick a solution which suits your budget and needs.

[RECOMMENDED SOFTWARE]

eTrust EZ Armor from Computer Associates