Poisoned data makes compromise of the real data more expensive. Bait is false data whose usage can be tracked, allowing administrators to detect and "watch" abusers. Decoy data disguises real information Artificial user data that includes genuine contact information that is monitored. (good for employee and paper leaks) Artificial user data that triggers warning systems if accessed. Disguise the data entry requested by a user by mixing it with non-requested data. Generate additional entries in systems where the cost of compromise is relatively low. (Same data, modify keys)