keylogger

['kiːˌlɒɡǝ(r)] n

keystroke logger (A type of Trojan that records user activity, such as keystrokes. This information can be sent to an attacker using e-mail or other methods)

English thesaurus

keylogger ['kiːˌlɒɡǝ(r)] n

comp., MS

Keylogger (A type of Trojan that records user activity, such as keystrokes. This information can be sent to an attacker using e-mail or other methods)

Software used to record all keystrokes on a computer