中古のコネクテドカーは非常に危険？

下記の記事が出ている。

　Connected car in the second-hand lot? Don't buy it if you're not hack-savvy
　Register: 20 February, 2017
　https://www.theregister.co.uk/2017/02/20/connected_car_in_the_secondhand_lot_dont_
buy_it_if_youre_not_hacksavvy/