A keylogger is a computer software program that records every keystroke on a computer, and often part of malware packages downloaded onto computers to steal passwords or credit card information and so on, without the owners' knowledge. The stolen information can then be used to assume the victims' identities to steal money or to compromise a company's database or critical systems. Anti-spyware and anti-virus can not detect and kill the presence of a keylogger on a computer effectively. KeyDefender is a next generation anti-keylogging program that encrypts user keystrokes at the keyboard driver level, and transmits encryption information to the destination app in the independent safety input channel, deep in the operating system. At the same time, it is also kept to release interference value in the original channel. So no keyloggers can steal your passwords or other crucial information. KeyDefender has been tested by programmers and some security experts in the world.If you want to know KeyDefender is a efficient anti-keylogger software, you could download all kinds of mercial keyloggers to do a test. KeyDefender has a strong adaptability, which can provide keyboard input protection for all kinds of browsers, games, office software, chat software, and so on. Keydefender not only is compatible with most exiting keyboard input protection software, but also it can provide stronger, more high-level security protection on the basis of the existing protection.