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arXiv · 2503.08956

Leaky Batteries: A Novel Set of Side-Channel Attacks on Electric Vehicles

Francesco Marchiori·Mauro Conti
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Abstract

Advancements in battery technology have accelerated the adoption of Electric Vehicles (EVs) due to their environmental benefits. However, their growing sophistication introduces security and privacy challenges. Often seen as mere operational data, battery consumption patterns can unintentionally reveal critical information exploitable for malicious purposes. These risks go beyond privacy, impacting vehicle security and regulatory compliance. Despite these concerns, current research has largely overlooked the broader implications of battery consumption data exposure. As EVs integrate further into smart transportation networks, addressing these gaps is crucial to ensure their safety, reliability, and resilience. In this work, we introduce a novel class of side-channel attacks that exploit EV battery data to extract sensitive user information. Leveraging only battery consumption patterns, we demonstrate a methodology to accurately identify the EV driver and their driving style, determine the number of occupants, and infer the vehicle's start and end locations when user habits are known. We utilize several machine learning models and feature extraction techniques to analyze EV power consumption patterns, validating our approach on simulated and real-world datasets collected from actual drivers. Our attacks achieve an average success rate of 95.4% across all attack objectives. Our findings highlight the privacy risks associated with EV battery data, emphasizing the need for stronger protections to safeguard user privacy and vehicle security.

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Francesco Marchiori, Mauro Conti. 2025-03-11. Leaky Batteries: A Novel Set of Side-Channel Attacks on Electric Vehicles. https://arxiv.org/abs/2503.08956

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