We developed the cyber security risk model can be find the weak point of cyber security integrated two cyber analysis models by using Bayesian Network.
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One is the activity-quality model signifies how people and/or organization comply with the cyber security regulatory guide.
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Other is the architecture model represents the probability of cyber-attack on RPS architecture.
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The cyber security risk model can provide evidence that is able to determine the key element for cyber security for RPS of a research reactor.