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How-To Geek

Keystroke Logger

A keystroke logger is a software or hardware tool that captures every key pressed on a computer’s keyboard. Keystroke loggers can take the form of a physical device attached to a computer–often a small extension to the keyboard cable itself–that is undetectable by the host computer (and usually only discovered if the computer user or a member of the IT department notices it). More commonly, however, keystroke loggers are software-based.

Although the public perception is that keystroke loggers are used primarily by hackers to gather logins and passwords, on a per-computer basis they’re more commonly used by large companies that wish to monitor employee activities on company owned computers.

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