期刊
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
卷 -, 期 -, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSMC.2023.3305287
关键词
Channel hopping scheme; cyber-physical systems (CPSs); denial of service (DoS); optimal attack
In this article, the optimal denial-of-service (DoS) attack scheduling problem for multichannel cyber-physical systems (CPSs) is investigated from the attackers' perspective. A conclusion is proven that the mathematical expectation of attack number is a constant under different attack strategies when the attacker uses up all his energy to attack the system with a given number of channels. A novel index for evaluating the effectiveness of attack strategies is proposed, and a scheduling strategy for optimal DoS attacks during multichannel communication is given based on this index. The effectiveness of the proposed strategy is analyzed numerically.
In this article, the optimal denial-of-service (DoS) attack scheduling problem for multichannel cyber-physical systems (CPSs) from the attackers' perspective is investigated, where state sensors deliver data to a remote estimator over multiple channels. It is essential to find an optimal attack scheduling strategy to disrupt the remote state estimator thanks to attacker's energy limitations. In our work, an interesting conclusion is proven that the mathematical expectation of attack number is a constant under different attack strategies when the attacker uses up all his energy to attack the system with a given number of channels. Second, a novel index for evaluating the effectiveness of attack strategies is proposed. Then, a scheduling strategy for optimal DoS attacks during multichannel communication is given based on the above. Eventually, the effectiveness of the proposed strategy is analyzed numerically.
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