Keyboard recorders are usually installed by malware, but they may also be installed by some people to actively focus on the activity of the keyboard recorders they shut down.The hardware keyboard recorder is the perfect choice for enterprise espionage.Most keyboard recorders on a computer are usually malware.If the computer is compromised, malware may accept a keylogger or act as a Trojan horse for downloading keylogger as well as other destructive software.Keylogger is a popular malware because they allow criminals to steal credit card numbers, passwords, and other sensitive data.Keystroke-Logging software can also be installed by closed people.Some employers may install keylogger on the employee's computer to monitor everything they do, or just check the employee they suspect.In this regard, some keylogger can be implemented completely as a hardware device.A typical desktop computer has a keyboard that connects to the back of the computer using a USB cable.If someone sneaks in, unplug the USB cable of the keyboard, and then connect a dedicated USB device between the USB port of the computer and the USB connector of the keyboard, which can be used as a keyboard recorder.Sitting in the middle, it can interrupt the keyboard signals on the keyboard, store them on the device, and then pass the keys to the computer so that the whole thing will show that it is working properly.The security software on the computer does not recognize this keyboard recorder because it only runs in the hardware.If the computer is hidden under the table, no one will notice the device.A few days later, the person can come back and grab the device and sneak it away without leaving traces of keyboard recording software or suspicious network activity.However, if you are concerned about the hardware keyboard recorder, just check the back of the computer and make sure there is no suspicious device between the keyboard cable and the computer itself.Keylogging software is hidden running in the background, write down each type of key.For example, the software can scan certain types of text in a file, it can look for a sequence of numbers that look like a credit card number, and upload them to a malicious server so that they get hurt.Keyboard recording software can also be combined with other types of computersMonitor the software so that attackers can see what you type when you visit the bank website and narrow down the information they want.The keylogger can detect the first keystrokes you enter in an online game or chat program, stealing the user's password.As a small device about AA battery size, insert-Line with keyboardA regular keyboard with an internal keyboard recorder or a Trojan keyboard.These devices are often used by companies to screen employees, private investigators looking for evidence, or serious identity thieves who actually want to track what users do on their computers.Hardware keyboard recorders are often advertised as better aspects than software keyboard recorders because they are not detectable.A hardware keyboard recorder is usually installed between the keyboard and the computer