Security

Tradeoffs of Service, Security and Attack for Cyber System Survivability

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Executive Summary

Trade-offs within the limitation of given system resources often have to be made for a cyber system to sustain its more critical services under the damage of cyber attacks. Understanding and modeling cause-effect dynamics of activities (Service, security and attack), system state and Quality of Service (QoS) are essential to establish the dynamic adaptation capability of making tradeoffs among services, security mechanisms and cyber attacks. This paper presents the methodology of collecting system dynamics data under various service, security and attack conditions and analyzing system dynamics data to uncover cause effect dynamics of activities, system state and QoS performance and especially tradeoff effects of services, security mechanisms and attacks.

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