According to the Business Software Alliance, software takes several forms, which include the following:

"CD-R infringement" is the illegal copying of software using CD-R recording technology.

"Commercial Use of Non-commercial Software" is using educational or other commercial-use-restricted software in violation of the software license is a form of Software piracy.

"Counterfeiting" is the duplication and sale of unauthorized copies of software in such a manner as to try to pass off the illegal copy as if it were a legitimate copy produced or authorized by the legal publisher. This is also often a violation of trademark laws.

"Hard-disk loading" occurs when an individual or company sells computers preloaded with illegal copies of software.

"Internet infringement" is the illegal uploading of software on to the Internet for anyone to copy.

"OEM infringement/unbundling" is known as OEM (original equipment manufacturer) software, is only legally sold with specified hardware.

 "Softlifting" is a neologism invented by anti-copyright infringement advocates, and is a term used to describe when a person purchases a single licensed copy of a software program and loads it on several machines, in violation of the terms of the license agreement.

"Unrestricted client access infringement" occurs when a copy of a software program is copied onto an organization's servers and the organization's network "clients" are allowed to freely access the software in violation of the terms of the license agreement.

"Industrial piracy" An individual or group attempts duplication and distribution on a large scale for profit.

"Corporate piracy" Unprotected contents are shared through net­works such as peer-to-peer, LAN and Internet. Many of these are on servers in Russia or Thailand, and the Zlob trojan is known to be distributed via these means.

"Reseller piracy" Involves computer hardware companies selling ma­chines with illegal copies of software preloaded on their hard drive.

"Home piracy" Includes from trading disks with friends to running a not-for-profit bulletin board system for the purpose of illegal software distribution.