software that causes pop-up or other advertisements to appear on your computer. Adware is often installed without your express knowledge and is often difficult to uninstall (also see spyware

services that allow you to send email messages or post to news groups without any trace of your (the sender’s) name or IP address (also see Cypherpunk remailers

software applications that run on devices

the name of a mIRC script that automates the trading of files on IRC

an image compression standard for moving pictures (i.e., a type of movie format)

the part of an email message after the headers (the substantive contents of an email message)

the tiniest unit of data, represented by a 0 or 1

a method of defeating security measures by trying all possible dictionary terms, sometimes using supercomputers, to resolve a password or passphrase

eight bits (also see bit

a store of information where your computer can access it rapidly; a web browser cache