Many other cars download and store data from users, particularly information from paired cellphones, such as contact information. The practice is widespread enough that the US Federal Trade Commission has issued advisories to drivers warning them about pairing devices to rental cars, and urging them to learn how to wipe their cars’ systems clean before returning a rental or selling a car they owned.
But the researchers’ findings highlight how Tesla is full of contradictions on privacy and cybersecurity. On one hand, Tesla holds car-generated data closely, and has fought customers in court to refrain from giving up vehicle data. Owners must purchase $995 cables and download a software kit from Tesla to get limited information out of their cars via “event data recorders” there, should they need this for legal, insurance or other reasons.
At the same time, crashed Teslas that are sent to salvage can yield unencrypted and personally revealing data to anyone who takes possession of the car’s computer and knows how to extract it.
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In general, cars have become rolling computers that slurp up personal data from users’ mobile devices to enable “infotainment” features or services. Additional data generated by the car enables and trains advanced driver-assistance systems. Major auto-makers that compete with Tesla’s Autopilot include GM’s Cadillac Super Cruise, Nissan Infiniti’s ProPilot Assist and Volvo’s Pilot Assist system.
But GreenTheOnly and Theo noted that in Teslas, dashboard cameras and selfie cameras can record while the car is parked, even in your garage, and there is no way for an owner to know when they may be doing so. The cameras enable desirable features like “sentry mode.” They also enable wipers to “see” raindrops and switch on automatically, for example.
GreenTheOnly explained, “Tesla is not super transparent about what and when they are recording, and storing on internal systems. You can opt out of all data collection. But then you lose [over-the-air software updates] and a bunch of other functionality. So, understandably, nobody does that, and I also begrudgingly accepted it.”
Theo and GreenTheOnly also said Model 3, Model S and Model X vehicles try to upload autopilot and other data to Tesla in the event of a crash. The cars have the capability to upload other data, but the researchers don’t know if and under what circumstances they attempt to do so.
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The company is one of a handful of large corporations to openly court cybersecurity professionals to its networks, urging those who find flaws in Tesla systems to report them in an orderly process — one that gives the company time to fix the problem before it is disclosed. Tesla routinely pays out five-figure sums to individuals who find and successfully report these flaws.
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However, according to two former Tesla service employees who requested anonymity, when owners try to analyze or modify their own vehicles’ systems, the company may flag them as hackers, alerting Telsa of their skills. Tesla then ensures that these flagged people are not among the first to get new software updates.
Source: Tesla Model 3 keeps data like crash videos, location, phone contacts
Robin Edgar
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