The best way to protect your car is to ... because thieves often operate in car parks. A Faraday bag can also be used to block phone hackers, keep credit cards private or even protect your ...

We also used an app that checked for phone, WiFi and Bluetooth signal ... the top spot for best Faraday bag is the Defender, with the key-only Disklabs KS1 and the Ecence in second and third ...