| A | B |
|---|
| Bomb | Destructive computer code or virus designed to activate at a specific time. |
| Hoax | A program intended to scare users into thinking they have a virus. |
| Phage | A program that modifies other programs, operating systems, and databases on a Personal Digital Assistant. |
| Trojan Horse | A virus designed as a useful piece of software. |
| Virus | A computer program designed to cause damage to computer files. |
| Worm | Destructive computer program that bores its way through a computer network. |
| Antivirus Program | A computer program that detects viruses and repairs files. |
| Hacker | A person who secretly gains access to computers and files without permission. |
