honeynet
A network of honeypots
honeypot
Production system (e.g., firewalls, routers, Web servers, database servers) that looks like it does real work, but that acts as a decoy and is watched to study how network intrusions occur
penetration test (pen test)
A method of evaluating the security of a computer system or a network by simulating an attack from a malicious source, (e.g., a cracker)