| A | B |
|---|
| Parasite | code added to existing program that extracts information |
| Sniffer | watches data travel through system |
| Spoof | assumes the identity of another |
| Buffer Overflow | puts in more data than the storage location will hold |
| Logic Bomb | lies dormant until activated |
| Trojan horse | apparently useful program with hidden code |
| Virus | infects another program by copying itself into host |
| Worm | used as a transport agent for other programs |
