A Configurable Security Architecture Prototype

Hardy and Olivier

2001

Citation information

Abstract

Traditional security systems are integrated closely with the applications that they protect or they are a separate component that provides system protection. As a separate component, the security system may be configurable and support various security models. The component does not directly support the application. Instead, operating system objects (such as files) are protected. Security systems that are integrated with the applications that they protect avoid this shortcoming, but are usually not configurable. They also cannot provide the same level of protection that a system provided security component can enforce, as the application does not have access to the hardware that supports these features. The Configurable Security Architecture (ConSA [1]) defines an architecture that provides the flexibility of a system security component while still supporting application security. Such an architecture provides obvious benefits. Security policies can be constructed from off-the-shelf components, supporting a diverse array of security needs. Before this or a similar architecture can be accepted by the industry, the concept must be proven to work theoretically and practically. Olivier [1] has developed the theoretical model and illustrates its usefulness. This paper describes an implementation of ConSA and in so doing, proves that ConSA can be implemented in practice.

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