Internet crime

Interent crime is a form of criminal behavior that makes use of the World Wide Web, a.k.a. the Internet (obviously).

[edit] Actual Internet Crimes

Cracking (Hacking)--circumventing, disabling or revealing the copy protection or other security measures of proprietry software.
Cyberterrorism--which consists of using technology to commit real-world acts of terrorism, e.g., cracking into an airline's computer system and crashing a plane. Go to wikipedia article
Piracy--The unauthorised copying and distribution of copyright material such as software, music, movies, images, books and other forms of intellectual property.
Denial Of Service D.O.S.--organising, usually by installation of a virus on unsuspecting computers, a large number of incoming connection requests to a website in order to overlaod it.

Phishing--sending fake emails, ostensibly from reputable organisations, suggesting that the recipient need to respond with certain private information such as bank account details in order for their service to continue.
Distributing a malicious virus.

Spyware--software designed to track certain activities and record certain behaviours of a computer user.
Wiki Vandalism (Wandalism)--Contrary to the opinion of some, wiki vandalism is not considered a crime, nor is virtually any editing activity on a wiki, hence the fact that a user can lick his tiny nipples without fear of consequenses aside from banning.