Secure Ranging in 5G Wireless Networks

Thu 17Mar2022
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Mridula Singh, CISPA

From 12.30 until 13.30

At https://ethz.zoom.us/j/67081805489

https://ethz.zoom.us/j/67081805489

Abstract:

A wide variety of applications, such as modern payment systems, access control for critical infrastructures, healthcare applications like contact tracing, depend on location and proximity information. There are multiple ways to establish physical distance between two entities, most of which are prone to distance modification attacks and can lead to loss of property (e.g., cars with keyless entry systems) and human life (e.g., vehicle collision). The increasing need for secure distance measurement has motivated academia and industry to explore new secure designs, and integrate them into the upcoming standards, including IEEE 802.15.4z (Ultra-Wideband), IEEE 802.11mc/az (WiFi), and 3GPP 5G. In this talk, I will discuss the security vulnerabilities of the positioning protocol currently defined by 3GPP for 5G. I will present V-Range, a design that prevents physical layer distance manipulation attacks, and future steps to enable secure cellular ranging systems.

Join us on Zoom at https://ethz.zoom.us/j/67081805489.

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