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.
or key log·ging
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. 2019
the practice of covertly recording and monitoring keystrokes made on a remote computer, typically using a dedicated software application or piece of implanted hardware
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