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Security and Privacy in a World of Safety: Analysing Avionic Data Links

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If you have a question about this talk, please contact Dr Garfield Benjamin.

Aviation is often held up as a shining example of a safety-conscious industry – we are often reminded of how safe it is to travel by aircraft. However, as the industry moves towards heavier reliance on data links to improve efficiency whilst reducing cost and emissions, it is leaning on technologies which were not designed with security and privacy in mind. One such data link is the Aircraft Communications Addressing and Reporting System (ACARS), a general purpose link in use since the 1980’s. Although it has no security mechanisms as standard, it is extensively used by commercial and non-commercial aircraft alike for a wide range of tasks. This talk will look at an attempted deployment of security in ACARS , as well as the implications of sending just a handful of ACARS messages can have for privacy-sensitive actors such as military, governments and businesses.

Biography: Matt Smith is a PhD student at the Department of Computer Science, University of Oxford. He is part of the System Security Lab, headed by Ivan Martinovic, having come through the Centre for Doctoral Training in Cyber Security. His work looks at the security and privacy implications of the ways that aircraft use avionic data links; originally focusing on ACARS but more recently looking at other aircraft systems such as collision avoidance via TCAS . Before starting at Oxford, he studied MEng Computer Science at University of Warwick.

This talk is part of the Computer Security Seminars series.

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