You're sat at home. Look around at the things which are precious to you. Out of the window you see the places you visit, and people you know and trust - and people you don't.

The postman approaches (he can't see you - your net curtains obscure his view). He drops the normal mix of credit card applications and bills - and a surprise postcard from a long lost friend - through your letterbox, and walks off.

Your house is your computer, your precious possessions are your personal data. The walls, windows, net curtains, and letterbox are your firewall, and its how you control access to your property, who can see in, and how you can explore the world you live in knowing that - if you've got it right - nobody will be wandering around your home in your absence. more ...

One of the most common concerns of people using the internet these days is that either they are vulnerable to viruses or, worse, that they may already have been exposed to one. The purpose of this article is help you understand the dangers (which for most people are not as bad as they might seem), and to make sure you are protected.

Most viruses cause embarrassment rather than real damage, resulting from forwarding the virus to all your customers (and this applies equally to hoax warnings). Those that damage can usually be repaired. Virus checkers don't cost the earth and will protect you from the majority of problems if you keep them up to date. more ...

More and more email that lands in email boxes is unsolicited email, SPAM. It is becoming such a large problem that genuine emails are sometimes suffering with delayed delivery times, due to the large numbers of emails being sent around the Internet.

Probably one of the most common questions we get asked is why do I keep getting emails for Viagra or software, when I havn't asked for them, and how did they get my email address?

There are a number of ways in which your email address can be 'farmed' and also a number of ways to prevent it from happening, and ways to reduce the SPAM. more ...

The 802.11 wireless networks use encryption to help protect your data. Wired equivalent privacy (WEP) which uses a 64-bit or 128-bit shared encryption key to scramble data, was the first type of security used in Wi-Fi networks. Before a computer transmits data, it scrambles the data using the secret encryption key. The receiving computer uses this same key to unscramble the data. more ...