The keystroke log, often referred to as keylogging or keylogging, is the action of registering (registering) keys pressed on a keyboard, usually covertly, so the person using the keypad is unaware that Your actions are being monitored. The data can be retrieved by the person who operates the registration program. A keylogger can be software or hardware.
While the programs themselves are legal, and many of them are designed to allow employers to monitor the use of their computers, keyloggers are used more frequently in order to steal passwords and other confidential information.
The key record can also be used to study human-computer interaction. There are numerous key registration methods: ranging from hardware and software based approaches to acoustic analysis.