Computer-based systems and methods are disclosed for a comprehensive security model for managing active content downloaded from a computer network. The security model includes the configuration of a system security policy that is stored on a host computer. The system security policy is configured by...http://www.google.fr/patents/US6345361?utm_source=gb-gplus-shareBrevet US6345361 - Directional set operations for permission based security in a computer system
Directional set operations for permission based security in a computer system
