| A | B |
| Computer Virus | a malicious computer program created by a user with objectives to harm or steal another’s property |
| Host Program | a large |
| Piggybacking | the act of a computer virus attaching itself to another computer program |
| Payload | the malicious activity a computer virus or worm is designed to perform |
| Computer Worm | an independent program that multiplies itself by copying a segment of itself onto another computer |
| Network Worm | a computer worm that copies different segments of itself to computers linked together in a network |
| Host Worm | a computer worm that copies itself to another computer in a network and then deletes itself completely from the previous computer in which it was |
| Trojan Horse | a malicious program disguised inside of another program that seems beneficial or harmless |
| Stealth Virus | a virus in which if anyone attempted to view an infected sector, the virus would replace it with the clean, original version of the sector |
| Boot Sector Virus | a virus that copies itself onto a computer off of a disk when the computer is booted up; when someone else inserts a disk into the computer, the virus is downloaded |
| Macro | a fairly common virus that affects small Word® automatic functions |