What is Keylogger?
A keylogger is basically a program or software which monitors or records each key typed by an user in computer system.So we can use it to hack anybody's email and passwords by using a keylogger.As the user types any keystroke, the keylogger collects each keystroke and saves it as a text in its own miniature harddrive.
A keylogger program does not require any physical access to users computer.It can be directly installed on victim's computer by binding.When keylogger is installed in victim's computer then program records each keystroke the user types and uploads the information in a fix interval of time on the internet to the person who have installed it.
Hardware keylogger :
They are used for keystroke logging, a method of capturing and recording computer user keystrokes. They plug in between a computer keyboard and a computer and log all keyboard activity to an internal memory. They are designed to work with PS/2 keyboards, and more recently with USB keyboards. A hardware keylogger appears simply as a USB pendrive (thumb drive) or any other computer peripheral so that the victims can never doubt that it is a keylogger. So by looking at it’s appearence it is not possible to identify it as a keylogger.
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