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Development of a Weighted Network Security Measure Based on a Software Reliability Model
Abstract
A reliable security measure of a network system is important in evaluating possible attacks against computer networks. In this paper, we develop a security measure on reliability of a network using five security services. The five security services are integrity, confidentiality, authorization, availability, and authentication. Our security measure is based on Goel’s Non-Homogenous Poisson Process model and is computed using the violated security service data collected by Computer Emergency Response Team at Carnegie Mellon University. The measure can be used as a design metric for the development of more secure systems.
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