Keystroke logging or Keylogging

Keystroke logging, often referred to as keylogging or keyboard capturing, is the action of recording (logging) the keys struck on a keyboard, typically covertly, so that the person using the keyboard is unaware that their actions are being monitored.
Keylogging can also be used to study human–computer interaction.
Numerous keylogging methods exist: they range from hardware and software-based approaches to acoustic analysis.

What is Keylogger?

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.
The log file created by the keylogger can then be sent to a specified receiver. Some keylogger programs will also record any e-mail addresses you use and Web site URLsyou visit.


Keyloggers, as a surveillance tool, are often used by employers to ensure employees use work computers for business purposes only.

Unfortunately, keyloggers can also be embedded in spy ware allowing your information to be transmitted to an unknown third party.



Software-based keyloggers
These are computer programs designed to work on the target computers software.
Keyloggers are used in IT organizations to troubleshoot technical problems with computers and business networks.
Families and business people use keyloggers legally to monitor network usage without their users direct knowledge.
However, malicious individuals can use keyloggers on public computers to steal passwords or credit card information.

Hardware keylogger

Hardware keyloggers are used for keystroke logging, a method of capturing and recording computer users keystrokes, including sensitive passwords.


They can be implemented via BIOS-level firmware, or alternatively, via a device plugged inline between a computer keyboard and a computer.


They log all keyboard activity to their internal memory