The termInternet fraud refers to any type of fraud scheme that uses email, web sites, chat rooms or message boards to present fraudulent solicitations to prospective victims, to conduct fraudulent transactions or to transmit the proceeds of fraud to financial institutions or to other connected with the scheme. (Wikipedia)
Here are some of the major types of Internet fraud:
identity theft; Read about Indentity Theft in Armenian
auction and retail schemes online
business opportunity & "work-at-home" schemes online
investment schemes online
credit-card schemes