A Volkswagen software subsidiary called Cariad experienced a massive data leak that left 800,000 EV owners exposed, according to reporting by the German publication Spiegel Netzwelt. The leak allowed personal information to be left online for months,

The leak also included the emails, addresses, and phone numbers of drivers in some cases, Der Spiegel reports.

Connected cars are great—at least until some company leaves unencrypted location data on the Internet for anyone to find. That's what happened with over 800,000 EVs manufactured by the Volkswagen Group,