Security in mixed time and event triggered cyber-physical systems using moving target defense

Bradley Potteiger, Feiyang Cai, Abhishek Dubey, Xenofon Koutsoukos, Zhenkai Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

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.

Original languageEnglish
Title of host publicationProceedings - 2020 IEEE 23rd International Symposium on Real-Time Distributed Computing, ISORC 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages89-97
Number of pages9
ISBN (Electronic)9781728169583
DOIs
StatePublished - May 2020
Event23rd IEEE International Symposium on Real-Time Distributed Computing, ISORC 2020 - Nashville, United States
Duration: May 19 2020May 21 2020

Publication series

NameProceedings - 2020 IEEE 23rd International Symposium on Real-Time Distributed Computing, ISORC 2020

Conference

Conference23rd IEEE International Symposium on Real-Time Distributed Computing, ISORC 2020
Country/TerritoryUnited States
CityNashville
Period05/19/2005/21/20

Keywords

  • Cyber-physical systems
  • Event triggered
  • Moving target defense
  • Time triggered

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