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Study Finds Connected Cars Routinely Send Driver Data to Advertising and Analytics Firms

Measured third-party contacts can link vehicle IDs and precise locations to trackers, raising clear privacy and regulatory risks.

Overview

  • The Northeastern University and Consumer Reports study, published Tuesday, tested 21 late-model vehicles and 30 companion apps and found every car contacted at least one third-party domain.
  • Researchers observed seven companion apps sending sensitive identifiers such as vehicle identification numbers, phone numbers, and precise GPS locations directly to advertising and analytics networks.
  • Vehicles running Google’s Android Automotive OS and Google Automotive Services contacted the most third-party domains, and Alphabet/Google domains were the single most frequently reached set of addresses.
  • The team captured traffic using Raspberry Pi devices and a car-sized Faraday tent to force cars onto controlled Wi‑Fi, but researchers could not decrypt payloads and therefore inferred sharing from DNS records, TLS metadata, and timing.
  • Honda asked analytics vendor Amplitude to delete collected location data and updated its HondaLink app after disclosure, while other automakers gave mixed responses, a development that builds on prior privacy scrutiny and could prompt increased regulatory action and consumer concern.