论文标题
在沟通链接上遭受恶意网络攻击的多机构系统的缓解和弹性
Mitigation and Resiliency of Multi-Agent Systems Subject to Malicious Cyber Attacks on Communication Links
论文作者
论文摘要
本文旨在调查一种新型的网络攻击，该攻击注入了具有基础有向图的多代理系统（MAS）。被指定为可控性攻击的网络攻击被恶意对手注入了代理之间的通信链接中。利用受损的通信链接的对手掩盖了网络攻击信号，并试图控制MAS的整个网络。对手的目的是通过直接攻击多代理的子集来实现这一目标。提供了恶意黑客控制整个MAS网络的条件。提出并开发了两个安全可控性指数概念。这些概念被用作指标来评估每个代理商为执行恶意网络攻击的对手提供的可控性。此外，还研究了通过损害通信链接引入MAS的零动力学网络攻击的可能性。最后，提供了一个说明性的数值示例，以证明我们提出的方法的有效性。
This paper aims at investigating a novel type of cyber attack that is injected to multi-agent systems (MAS) having an underlying directed graph. The cyber attack, which is designated as the controllability attack, is injected by the malicious adversary into the communication links among the agents. The adversary, leveraging the compromised communication links disguises the cyber attack signals and attempts to take control over the entire network of MAS. The adversary aims at achieving this by directly attacking only a subset of the multi-agents. Conditions under which the malicious hacker has control over the entire MAS network are provided. Two notions of security controllability indices are proposed and developed. These notions are utilized as metrics to evaluate the controllability that each agent provides to the adversary for executing the malicious cyber attack. Furthermore, the possibility of introducing zero dynamics cyber attacks on the MAS through compromising the communication links is also investigated. Finally, an illustrative numerical example is provided to demonstrate the effectiveness of our proposed methods.
