论文标题
在多代理网络物理系统中对通信链接的网络攻击无法检测到的网络攻击
Undetectable Cyber Attacks on Communication Links in Multi-Agent Cyber-Physical Systems
论文作者
论文摘要
本文的目的是研究和发展多代理网络物理系统（MAS）网络的条件，在该网络中，恶意对手可以利用脆弱性来确保和维护无法检测到的网络攻击。我们将这些网络攻击分类为无法检测到的，因为在生成的残留物中无法观察到它们的影响。如果是MAS图中根生的跨越树的根源的代理，则显示攻击是整个网络无法检测到的。接下来，我们研究非根源是否受到损害，然后在某些条件下可以检测到网络攻击。此外，引入了一种新型的网络攻击，该攻击被指定为准覆盖网络攻击，可用于消除网络攻击对整个网络的可检测影响，并保持未发现的这些攻击。最后，提出了一个基于事件触发的检测器，可用于检测准覆盖的网络攻击。提供了数值模拟来说明我们提出的方法的有效性和能力。
The objective in this paper is to study and develop conditions for a network of multi-agent cyber-physical systems (MAS) where a malicious adversary can utilize vulnerabilities in order to ensure and maintain cyber attacks undetectable. We classify these cyber attacks as undetectable in the sense that their impact cannot be observed in the generated residuals. It is shown if an agent that is the root of a rooted spanning tree in the MAS graph is under a cyber attack, the attack is undetectable by the entire network. Next we investigate if a non-root agent is compromised, then under certain conditions cyber attacks can become detectable. Moreover, a novel cyber attack that is designated as quasi-covert cyber attack is introduced that can be used to eliminate detectable impacts of cyber attacks to the entire network and maintain these attacks as undetected. Finally, an event-triggered based detector is proposed that can be used to detect the quasi-covert cyber attacks. Numerical simulations are provided to illustrate the effectiveness and capabilities of our proposed methodologies.
