Attack and Defense Strategy for Infection Network System with Two Early Warning Mechanism

Abstract

Abstract As the progress of IoT technology, Cyber-Physical System gradually becomes the basic pillar of people’s daily life. Contrary to its convenience, Cyber-Physical System could be easily broken by attackers and these attacks infect the system and affect more systems, thus interfering with people’s normal work and life. In this context, this paper establishes a system defense model for the propagable network with the warning mechanism as the core. The system defense model includes warning components, which trigger the first and second warning mechanisms, and components protection and camouflage components. After deducing the reliability of the defense model system, this paper considers the influence of different parameters about the system reliability and analyzes the relationship between warning components, camouflage components, and systemreliability. Based on the different parameters that affect the system reliability, this paper proposes the optimal defense deployment strategy under the attack optimal strategy and obtains the basic principles of the deployment of defense measures through numerical analysis. Finally, the simulation experiments of different systems prove the rationality and correctness of the proposed model.