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KeyDevil - Hardware Keylogger

Record all key strokes on your PC in stealth


Capture everything that happens on your computer with the most advanced hardware keylogger

At we are committed to aiding professionals in achieving their goals in today's and tomorrow's computer surveillance environment. While recording computer activities you need a professional solution. The KeyDevil bridges the gap between inferior software applications that just won't cut it. If you need a rock solid award winning solution, you need the KeyDevil. The meat, an Industrial strength hardware key logger device capable of recording your computer without the possibility of detection. This stealth hardware keylogger is available in 3 models.

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The most powerful and stealth hardware keylogger


One of the most popular types of spyware is the key logger. When one is installed correctly, it has the power to capture and record all the data passing from the input device (keyboard, mouse, etc) to the computer. While the ethical considerations of using such a program are open for discussion, the keylogger is used for numerous purposes. Whether monitoring a child's actions, spying on a spouse, capturing keystroke information for productivity purposes, or even collecting passwords, the keylogger is one of the most commonly used spyware. Let us take a look at the internals of keyloggers and how they work. In addition, we will also discuss the methods by which you can detect keyloggers.

What are keyloggers

A proper definition of a keylogger is "any device or program that captures information from an input device and places the captured data into a file." What this should tell you is that a keylogger can take many forms; some almost impossible to detect. Regardless of the type, a keylogger generally does one thing; capture the keystrokes from a keyboard. At one time this would have been enough. However, in the last three decades of computer use, many other methods of input have been devised that allow a user to interact with a computer. Mice, touch screens, verbal commands, and even thought control have been used to control a computer. As a result, keyloggers have evolved to include many other methods of monitoring, which extend well beyond the scope of this discussion. Therefore, we will focus mainly on the keylogging abilities, but will address alternate methods of capture at the end of this section.

Hardware Keylogger

Hardware keyloggers are small lipstick shaped devices that are placed inline, between your keyboard and computer (see figure 1). Since they are connected near the back of the computer, which is often hidden from site, these devices are rarely noticed or detected, as figure 2 indicates. Unfortunately, this easily overlooked device has the power to record hundreds of thousands of keystrokes, including passwords, credit card numbers, or adulterous conversations.

Figure 1 : Hardware Keylogger

Figure 2 : Installation of keylogger

The hardware keylogger is a very straightforward device. It simply captures the electronic signal from the keyboard and stores it in a local data buffer within the tube shaped device. In order to extract the data from the internal buffer, the device constantly monitors the incoming keystrokes until it detects a secret password. This will in turn trigger a program located on the keylogger that allows the user to output the captured data into a waiting program, such as Word or Notepad. While this is usually done at the target computer after hours or when the target is away on an errand, it is just as simple to remove the keylogger for future analysis at any computer.

Hardware based loggers have the advantage of remaining mostly invisible to the average user. Since most users don't have a clue about what should or shouldn't be plugged into their computer, they won't notice the small device. In addition, since there are no processes or programs running on the target computer, it is invisible to any nosy users or antivirus/keylogger detection programs. Related to this, a hardware keylogger is impervious to hardware crashes, system formats, or even complete changes to an operating system. If your target user dual boots their system between Linux and Windows, this type of keylogger could be your best choice.