Study finds 19 of 21 connected cars send data to third-party trackers
A research collaboration between security researchers and Consumer Reports tested 21 late-model vehicles and 30 companion mobile apps to examine how connected cars share user data. The study found that 19 of the 21 vehicles transmitted traffic to at least one third-party domain, including advertisers and trackers, while seven of the 30 apps sent sensitive identifiers to outside companies.
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The findings suggest that modern vehicles function much like smartphones, continuously collecting and transmitting personal data such as location and driving habits to manufacturers and external firms. This raises questions about consumer consent and oversight, since drivers may be unaware that insurers, advertisers, or data brokers could access details about their movements and identity. The researchers say their disclosure process with manufacturers highlights inconsistent industry awareness of how widely this data is shared.
- 19 of 21 tested vehicles sent data to third-party domains like advertisers and trackers.
- 7 of 30 companion apps transmitted sensitive identifiers to outside companies.
- The study calls for ongoing scrutiny of data practices across the connected-vehicle ecosystem.
GPS Privacy Signal Blocker Case — If you're concerned about your connected car tracking and transmitting your location data to third parties, a signal-blocking case for your key fob or phone adds a layer of privacy protection. It's a simple, affordable way to take back some control over what your vehicle shares while you're not actively driving. Pairs well with the growing awareness around connected-car data practices highlighted in this report.
See GPS Privacy Signal Blocker Case on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: automatictransmission.khoury.northeastern.edu, 2026-10-04
Published there as: “Car is a smartphone on wheels. Here's who's listening”
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