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The Privacy Threat in Your Used Car

Consumer Reports Online

When Charles Henderson traded in his beloved convertible four years ago, the dealer made sure to collect the car keys, but he couldn't take away Henderson's digital access.

A security expert at IBM, Henderson knew to protect his private data, so before he waved goodbye to the car, he deleted his personal information from the built-in digital systems that guided him home via GPS, opened his garage door, and dialed up the friends in his phone book. The dealership also double-checked to confirm that he had made many of these moves, he says.