KEYLOGGER - Surveillance Software

KEYLOGGER

DEFINATION
A keylogger is a type of surveillance software (considered to be either software or spyware) that has the capability to record every keystroke you make to a log file, usually encrypted. A keylogger recorder can record instant messages, e-mail, and any information you type at any time using your keyboard..

So whenever you enter anything on your computer with keyboard it will go to the keylogger which secretly records everything you type.

For example: Usernames, passwords, credit card details email id.

There are two types of keyloggers

1.Software key logger

Software Key logger is a secret program which is either installed or hidden inside a pc to record all the key strokes. Whereas the physical key logger is a hardware component which is attached with keyboard or inside the computer hardware system. Hackers install these key loggers in cyber cafes to steal information from the public.
 
2.Physical Key logger

                                                       A Physical Key logger

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