Glossary

Certificate

An encrypted file containing user or server identification information, which is used to verify identity and to help establish a security-enhanced link.

Chat rooms

An online discussion group where you can chat (by typing) with other users in real time

Compact Disc

A CD-ROM is a data version of a music CD capable of storing up to 700mb of data. Using a CD recorder it is possible to create new CD-ROMs.

Computer security

The discipline, techniques, and tools designed to help protect the confidentiality, integrity, and availability of data and systems.

Cookie

A small data file that is stored on a user's local computer for record-keeping purposes and which contains information about the user that is pertinent to a Web site, such as user preferences.

Cracker

A malicious hacker who uses their skills to do bad things.

Cracking

Finding a password by trying many combinations and words.

Critical update

A broadly released fix for a specific problem addressing a critical bug.

Cyberslacking

Wasting time, usually at work, using the internet