论文标题
隐秘攻击下网络物理系统的脆弱性
The Vulnerability of Cyber-Physical System under Stealthy Attacks
论文作者
论文摘要
在本文中，我们研究了隐身攻击对以随机线性系统建模的网络物理系统（CPS）的影响。攻击的特征是通过输入，输出或两者兼而有之对系统的恶意注射，如果检测残基在检测残留物中产生有界的变化（sives。相应地，如果CPS被隐身攻击能够不稳定（分别是严格的隐形攻击），则将CPS称为脆弱（严格易受伤害）。我们为脆弱性和严格脆弱性提供必要的条件。对于无敌案件，我们还为健康和受攻击系统之间的差异提供了绩效。提供数值示例以说明理论结果。
In this paper, we study the impact of stealthy attacks on the Cyber-Physical System (CPS) modeled as a stochastic linear system. An attack is characterised by a malicious injection into the system through input, output or both, and it is called stealthy (resp.~strictly stealthy) if it produces bounded changes (resp.~no changes) in the detection residue. Correspondingly, a CPS is called vulnerable (resp.~strictly vulnerable) if it can be destabilized by a stealthy attack (resp.~strictly stealthy attack). We provide necessary and sufficient conditions for the vulnerability and strictly vulnerability. For the invulnerable case, we also provide a performance bound for the difference between healthy and attacked system. Numerical examples are provided to illustrate the theoretical results.
