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首頁(yè)> 外文會(huì)議>IEEE International Symposium on Real-Time Distributed Computing >Security in Mixed Time and Event Triggered Cyber-Physical Systems using Moving Target Defense
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Security in Mixed Time and Event Triggered Cyber-Physical Systems using Moving Target Defense

機(jī)譯：使用移動(dòng)目標(biāo)防御的混合時(shí)間和事件觸發(fā)的網(wǎng)絡(luò)物理系統(tǒng)中的安全性

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Memory corruption attacks such as code injection, code reuse, and non-control data attacks have become widely popular for compromising safety-critical Cyber-Physical Systems (CPS). Moving target defense (MTD) techniques such as instruction set randomization (ISR), address space randomization (ASR), and data space randomization (DSR) can be used to protect systems against such attacks. CPS often use time-triggered architectures to guarantee predictable and reliable operation. MTD techniques can cause time delays with unpredictable behavior. To protect CPS against memory corruption attacks, MTD techniques can be implemented in a mixed time and event-triggered architecture that provides capabilities for maintaining safety and availability during an attack. This paper presents a mixed time and event-triggered MTD security approach based on the ARINC 653 architecture that provides predictable and reliable operation during normal operation and rapid detection and reconfiguration upon detection of attacks. We leverage a hardware-in-the-loop testbed and an advanced emergency braking system (AEBS) case study to show the effectiveness of our approach.
機(jī)譯：內(nèi)存破壞攻擊（例如代碼注入，代碼重用和非控制數(shù)據(jù)攻擊）已廣泛用于破壞對(duì)安全至關(guān)重要的網(wǎng)絡(luò)物理系統(tǒng)（CPS）。諸如指令集隨機(jī)化（ISR），地址空間隨機(jī)化（ASR）和數(shù)據(jù)空間隨機(jī)化（DSR）之類的移動(dòng)目標(biāo)防御（MTD）技術(shù)可用于保護(hù)系統(tǒng)免受此類攻擊。 CPS通常使用時(shí)間觸發(fā)的體系結(jié)構(gòu)來(lái)保證可預(yù)測(cè)和可靠的操作。 MTD技術(shù)可能會(huì)導(dǎo)致時(shí)間延遲，并且行為無(wú)法預(yù)測(cè)。為了保護(hù)CPS免受內(nèi)存破壞攻擊，可以在混合時(shí)間和事件觸發(fā)的體系結(jié)構(gòu)中實(shí)施MTD技術(shù)，該體系結(jié)構(gòu)提供了在攻擊過(guò)程中維護(hù)安全性和可用性的功能。本文提出了一種基于ARINC 653架構(gòu)的混合時(shí)間和事件觸發(fā)的MTD安全方法，該方法可在正常運(yùn)行期間提供可預(yù)測(cè)且可靠的操作，并在檢測(cè)到攻擊時(shí)快速檢測(cè)和重新配置。我們利用硬件在環(huán)測(cè)試平臺(tái)和先進(jìn)的緊急制動(dòng)系統(tǒng)（AEBS）案例研究來(lái)證明我們方法的有效性。

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