A small piece of information which can be placed into your internet browser by a website you have visited. These are usually text files and contain a unique identification number. This is how a website can identify a returning visitor. When you visit a website you may set some preferences (for example, your region on a weather site). When you next [..]

Software which seeks and removes viruses and potential threats from your computer.

The process we use to verify the identity of individuals signing in to the online service.

Software which allows you to view websites as words and pictures on your screen (for example IE6).

The way in which you can set your browser to accept or disable cookies varies slightly according to exactly what browser (and operating system) you are currently using. Below are full instructions for changing your browser settings to accept or disable cookies

These are similar to pop-up windows but are more like a grey box you might see when using Microsoft Windows. They appear on screen to prompt you for a response.

Encryption is a way of coding information to make it virtually impossible for someone else to read, unless they have the 'key' to decipher it.

A system used to protect your computer from unauthorised access by third parties.

The company who supplies you with your internet connection, for example, BT Openworld, Tiscali.

A programme, such as Microsoft Windows XP, that enables your computer to operate software e.g. Microsoft Outlook Express.