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EV Charging Security at the Physical-Layer

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Electric vehicles (EVs) are proliferating quickly and so is charging infrastructure. A new generation of charger technologies is emerging (CCS, CHAdeMO, Supercharger, GB/T), handling more sensitive data and undertaking more complex interactions; acting as a platform for automated billing, the control of bidirectional power flow and arbitrary third-party functionality on top.

This talk presents our work on one of the charging technologies that are competing for supremacy— the Combined Charging System (CCS)— and the impact of physical-layer design on the security of the system. The talk will focus on a study of passive eavesdropping capabilities (published at USENIX Security 2019), before discussing our ongoing work on active attacks and defences against them.

Bio: Richard Baker is a postdoc in the Systems Security Lab at the University of Oxford. His work focuses on wireless communication and the physical layer of cyber-physical systems; with published work on aircraft tracking, drone detection and network eavesdropping.

This talk is part of the Computer Security Seminars series.

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