Definitions for "Keylogger"
software and hardware keystroke loggers that monitor, record and often transmit your keystrokes to undesirable third parties
trojan that, upon execution, logs every keystroke or activity in a system. Although they are similar to third-party parenting/monitoring software, some keyloggers actually employ the same techniques as parenting/monitoring software to gather valuable data such as usernames, passwords, and personal information from unsuspecting users.
a application, that secretly installs itself on your PC and steals information