A hardware keylogger is a type of logging device that records keystrokes on a computer or keyboard without the user's knowledge. Unlike software keyloggers, which are programs installed on a computer's operating system, hardware keyloggers are physical devices that are typically connected between a keyboard and a computer or are built into a keyboard itself. ### Key Features of Hardware Keyloggers: 1. **Physical Connection:** Hardware keyloggers are usually connected to the keyboard's USB or PS/2 port.
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