Definition - What does Keylogger mean?
Techopedia explains Keylogger
While keylogging is an ever-present danger in many parts of the tech world, some new technologies are keylogger-resistant. The touch screen interfaces of mobile devices often render conventional keyloggers useless, and visual methods like drop-down box selections can also provide a foil to keyloggers, given a secure data entry method for these selections. In many cases, however, keylogging can be very effective, and is becoming a serious issue for the average technology user.