Expert system for security inspection of a digital computer system in a network environment

Abstract From the Canadian patent

A new security system including a plurality of inspectors each of which performs a security check operation in connection with a particular class of possible security violation conditions. One inspector detects security violation conditions reflecting selection of passwords using easily-guessable formatives. Another inspector detects security violation conditions reflecting ability of a network node to improperly use another node over a network. A third inspector determines whether the operating system files have satisfactory protection. Finally a fourth, inspector determines whether security violation conditions arise in connection with applications programs. If, during a security check …