A keylogger is a type of surveillance technology used to monitor and record each keystroke typed on a specific computer's keyboard. In this tutorial, you will learn how to write a keylogger in Python. You are maybe wondering, why a keylogger is useful ? Well, when a hacker (or a script kiddie) uses this for unethical purposes, he/she will register everything you type in the keyboard including your credentials (credit card numbers, passwords, etc.). The goal of this tutorial is to make you aware of these kind of scripts as well as learning how to implement such malicious scripts on your own for educational purposes, let's get started!