A Keylogger can record everything done by anyone on your PC

A Keylogger is a form of computer virus, or a hardware device, that specializes in recording keystrokes. It can record anything that you type, including your passwords, emails, credit card number, etc. Most keyloggers are invisible. They save the recorded keystrokes into a log file or send them to another machine.  A keylogger CAN be used for malicious purposes. A keylogger can also be used to find out what your children are doing on-line or talking about in a chat room.

Some versions let YOU spy on anyone anywhere from a remote location. Or, alternately, people can watch what YOU do from their remote location.

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