Vehicle-to-everything (V2X) communications enable the information exchange between the vehicle and the infrastructure, pedestrian, device, or any other entity that may affect the vehicle. V2X is known as a critical component for the vision of connected and autonomous vehicles in the future, with the goal of improving safety, saving energy, optimizing the traffic, etc. Many stake holders (e.g., 3GPP, IEEE) have announced the draft standards or technical reports that detail new opportunities of V2X-enabled vehicles for the cellular and automotive industries. However, the security issues in V2X communications receive little attention from industry and academia communities. In this paper, we describe how adversaries can exploit the security vulnerabilities to degrade the performance of V2X communications and evaluate the likelihood of V2X specific attacks in undermining the road safety. Our investigation reveals that the existing security mechanisms fall short of addressing the key security threats, and we also discuss countermeasures by adding a security sub-layer for V2X communication protocols to provide V2X users with privacy, authentication, and confidentiality.
Security in Use Cases of Vehicle-to-Everything Communications
2017-09-01
153387 byte
Conference paper
Electronic Resource
English
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