keylogger

[kee-law-ger, ‐log-er]
noun
  1. a software program or hardware device that records all keystrokes on a computer keyboard, used either overtly as a surveillance tool or covertly as spyware.

keylogging

or key log·ging

[kee-law-ging, ‐log-ing]
noun
  1. the practice of using a software program or hardware device (keylogger) to record all keystrokes on a computer keyboard, either overtly as a surveillance tool or covertly as spyware: Many employers are making use of keylogging to monitor their employees' computer habits.

Origin of keylogging

Also called keystroke logging.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for keylogger

keylogging

noun
  1. the practice of covertly recording and monitoring keystrokes made on a remote computer, typically using a dedicated software application or piece of implanted hardware
Derived Formskeylogger, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012