Study Finds Many New Cars Share Your Data With Third-Party Companies
A cybersecurity study found that many new cars share data with third-party companies, including GM, Honda, and Tesla.
Intelligence analysis by Qwen 2.5 (3B)

A study reveals that 21 out of 21 late-model cars and 30 automaker apps share data with third-party companies, raising privacy concerns.
A study found that many new cars share information with companies that track ads and collect data. This can happen through apps and Wi-Fi, and some car makers say they follow rules, but others don't say why they share data.
Analysis
{"heading_1":"Data Sharing in New Cars","paragraph_1":"The study analyzed traffic from 21 vehicles and 30 automaker apps, finding that 19 of the cars sent data to at least one third-party company via Wi-Fi.","paragraph_2":"Nine of the apps passed identifiers like VINs, email addresses, and precise locations to advertising and analytics companies, with four of those apps belonging to GM.","paragraph_3":"GM's apps, including myCadillac, myChevrolet, myBuick, and myGMC, sent VINs to 10 companies, including Microsoft and Adobe.","paragraph_4":"HondaLink sent VINs and location to the analytics firm Amplitude, while the Lincoln and MyNISSAN apps made up the remainder of the list.","paragraph_5":"The study found that 10 of the 21 cars contacted no advertising or tracking domains on their own, with the Buick Envista and Nissan Ariya being among them.","paragraph_6":"Tesla's Model 3 reached 22 advertising and tracking companies from the car while its app added two, with the real totals likely to be higher.","paragraph_7":"Most of the ad-tech exposure came from the phone app, with 28 of the 30 apps contacting at least one advertising or analytics company.","paragraph_8":"Automakers claim that data flows match their vendor contracts, but some apps disclose that they may pass personal data to third parties without specifying which ones or why.","paragraph_9":"Regulators are recommended to step in to address the privacy concerns raised by the study."}
Key points
- Many new cars share data with third-party companies via Wi-Fi and apps.
- GM's apps sent VINs to 10 companies, including Microsoft and Adobe.
- Tesla's Model 3 reached 22 advertising and tracking companies from the car.
- Some apps disclose they may pass personal data to third parties without specifying which ones or why.
- Regulators are recommended to step in to address privacy concerns.
Regulators can help ensure that car makers follow privacy rules, protecting owners' data.
If car makers don't follow privacy rules, owners' data could be shared with companies without their knowledge.



