There are any number of reasons why you could be delayed by traffic congestion and up until now, there’s been little motorists could do about it. We've road-tested a traffic-equipped GPS for a week to see if it can help.

Still unsure about what GPS is best? Our buyer's guide compares each TomTom model on the market, including TomTom's newest GPS models.

Host your own website from home, for fun and profit.

Cutting edge technology is bringing powerful enterprise-grade solutions to the small and medium business sector. Read on for tips, analysis and tutorials about how you can take advantage.

Do you have a business or are in charge of a business’ tech security? Get some tips from PC Authority’s experts.

By the end of the games the site will have set new records for net traffic. The Atlanta Games site - the first Official Olympics site - received 187 million hits (approximately 33 million page views)

Wondering if your neighbour can tell if you're leeching their bandwidth and see what you're doing online?

Why do so many network administrators trip over the humble VPN? Steve Cassidy goes in-depth.

IT security threats are coming from all angles in the current business environment. New threats are discovered every day. What is the best way to fight them?

Increase your internet security with a hardware firewall. Simon Edwards shows you how to get started in this step by step guide.

The Internet is booming again, but this time it’s very different. PC Authority brings you up to speed with the global Web 2.0 phenomenon.

Your wireless network is more powerful than you imagine. Use this guide to fully understand and utilise it.

Contrary to popular belief, the internet isn't for everyone. Simon Sharwood delivers the definitive guide to keeping porn and inappropriate material away from sensitive eyes.

Still not sure whether it's worth upgrading to Vista? We put XP and Vista through the ultimate face-off.

We've searched every corner of the web for the most useful (and useless) sites you've never seen. Download free movies and music, find the cheapest shopping sites, get a degree, make money, walk on Mars and much more.

Every expert has a toolkit. Tim Dean takes you through the 10 tools any Windows expert cannot live without. So, to give you a head start, here are PC Authority's top 10 tools for the ultimate Windows user.

We explain port forwarding and triggering, firewalls and traffic filtering, the DMZ and other broadband bits you should know.

Protect your LAN and allow internet traffic through to your webserver with a demilitarised zone (DMZ) on your network. Simon Edwards guides you through the process in SmoothWall.

Find out who's trying to get into your system. Simon Edwards show's you how to make sense of SmoothWall's log files. 

Lets first look at the implications on connectivity: at present, the Internet is defined, for most users, by the needs and demands of the World Wide Web. This is the space they see and work with on a