honey pot n.
A box designed to attract crackers so that they can be observed in
action. It is usually well isolated from the rest of the network,
but has extensive logging (usually network layer, on a different
machine). Different from an iron
box in that it's purpose is to attract, not merely
observe. Sometimes, it is also a defensive network security
tactic - you set up an easy-to-crack box so that your real
servers don't get messed with. The concept was presented in
Cheswick & Bellovin's book "Firewalls and Internet
Security".