Back Door

A bot, or robot, is a technology that is developed to perform an automated task. Malicious bots can be used to bombard websites or other applications multiple times per second to try and over-ride the security gateways.

A network of linked computers that have been infected with malicious software. These computers then send out spam

Also known as hacking

Can be known as false data entry, is the unauthorised editing of information whilst being entered into a computer. Examples of data diddling include counterfeiting, alterations to security clearance, changing grades or credit ratings.

Also known as data loss. Usually unapproved and sometimes illegal loss of information that is transferred elsewhere. This could be due to physical removal (USB sticks/CDs, printouts), memorised information through to data hiding (within digital images for example).

A DoS attack is a purposeful blocking or flooding of an internet service with useless traffic. The ill intended gains from such activity could be blackmail or fraud – e.g. blocking access to banking systems for credit card fraud.

Using a larger multiple network of computers to launch a DoS

Also known as DNS (Domain Name System) Spoofing

An illegitimate and unexpected function within a computer programme. Called an Easter Egg as they can be hard to find.