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KARR System Lets Hackers Unlock Cars | San Jose News
A smartphone can unlock and shut down millions of cars—thanks to a flawed anti-theft system called KARR. Researchers discovered that just tapping a phone’s Bluetooth from five yards away could bypass security, even in cars without the premium upgrade. Dealerships often install the hardware secretly to protect lots, leaving drivers unaware. The flaw, known since 2017, took years to fully understand—and now KARR offers a free app-based fix. A responsible researcher alerted them before going public, and they even sent a team to witness the hack. Tech meant to protect? Sometimes it just opens the…
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