Keylogger

A keylogger is a type of software or hardware tool that records everything a person types on their keyboard. It operates quietly in the background, capturing data such as passwords, messages, or personal information without the user’s knowledge. Keyloggers can be used legitimately by employers or security experts to monitor activity, but they are often associated with malicious intent, like stealing sensitive information or committing cybercrimes. Essentially, they act as digital "spy pens," collecting keyboard inputs for analysis or misuse, raising significant privacy and security concerns.