Embodiments of the invention provide a high degree of security to a computer or several computers connected to the Internet or a LAN. Where there is a high degree of confidentiality required, a combination of hardware and software secures data and provides some isolation from the outside network. An...http://www.google.ca/patents/US20020099666?utm_source=gb-gplus-sharePatent US20020099666 - System for maintaining the security of client files