If you are using your computer on the internet our very strong recommendation is that you use a firewall.

A firewall sits between your pc and the internet and stops some traffic from entering your computer form the internet side.

Many ADSL modems provide an inbuilt Firewall.

Our recommendations are....

• For individual pc's, the free version of ZoneAlarm (click to visit the Zonealarm website).
• Or if you have Windows XP - the inbuilt firewall feature
• If you are running a small network and require a firewall with some extra functionality, an old computer can be rebuilt as a firewall using free software such as Smoothwall or IPCOP. We can provide installation and support of this software. Please contact us for a quote.

A good site to review for information on security vulnerabilities is this one: www.grc.com