| Term | Definition |
| Virus | is a computer program that was written to purposely damage computer systems. |
| Privacy Policy | The policy that a company or organization operating a web site uses for handling the personal information collected about visitors to the site. |
| Piracy | Illegally copying copyrighted software, music, or movies |
| Phishing | An online scam that uses e-mail to "fish" for users' private information by imitating legitimate companies. |
| Pharming | An online scam that attacks the browser's address bar. Users type in what they think is a valid web-site address and are unknowingly redirected to an illegitimate site that steals their personal information. |
| Spam | e-mail from someone you don't know. It is usually trying to sell you something. |
| Spimming | Mass mailings sent as Instant Messages to users. Often these can feature links to explicit porn sites. |
| Netiquette | Courtesy, honesty, and polite behavior practiced on the internet. |
| Mouse Trapping | A commonly used technique by pornography sites where a user gets "locked" in a web site. |
| Monitoring Software | Software products that allow parents to monitor or track the web sites or e-mail messages that a child visits or reads. |
| Hacker | A popular term for someone who accesses computer information either legally or illegally |
| Cyberstalking/Harassment | Terms that can refer to the online enticement of children; rude or threatening messages; slanderous information; or repeated, unwanted messages |
| Cyberbullying | sending or posting harmful or cruel text or images using the internet or other digital communication devices. |
| Blacklisting Software | A form of filtering that blocks only sites specified as harmful. |
| Blocking Software | Computer programs that block access to web sites or other services available over the internet. |
| Public Domain | openly available to everyone and not subject to copyright protection |
| Copyright | A legal device that provides the owner the right to control how a creative work is used. |
| Unauthorized access | is gaining access into any computer, network, storage medium, system, program, file, user area, or other private repository, without the express permission of the owner. |
| Ethics | the study of human actions. It deals with issues such as defining "right and wrong" as well as the gray area in between. |
| Moral | concerned with the principles of right and wrong behavior and the goodness or badness of human character: |
| Spoofing | the forgery of an e-mail header so that the message appears to have originated from someone or somewhere other than the actual source |
| Encryption | the conversion of data into a form, called a ciphertext, that cannot be easily understood by unauthorized people. |
| Antivirus | is protective software designed to defend your computer against malicious software. |
| Spyware | type of malware that is installed on computers and that collects information about users without their knowledge. |
| Adware | any software application in which advertising banners are displayed while the program is running. |
| Malware | short for malicious software, is software designed to infiltrate or damage a computer system without the owner's informed consent. |