Even if you have antivirus system and firewall you still are not safe. Trojans could be recording all your valuable passwords, credit cards, etc. without you knowing it. A Trojan is a mini program running on a workstation (PC or Macintosh). At its basic level, it merely records every key pressed together with the username and password when you access any computer network. Thus, it may give hackers chances of entering your computer and damaging the system. Trojan Guarder initiated a system named Guard Ghost to supervise all running processes in memory system, Windows files and open ports to search worms and Trojan horses at any time. Once a Trojan or worm appears, even if it hides in other programs Trojan Guarder will display a signal for warning and eliminate it consequently. Meanwhile, Trojan Guarder will clear all Trojan-system-linked files as well as relative registered files. Trojan Guarder can also provide assistance to protect.