This reminds me of the early days of GSM where Nokia phones showed a broken lock...

noyesno on July 30, 2014 | parent | context | favorite | on: Android IMSI-Catcher Detector

This reminds me of the early days of GSM where Nokia phones showed a broken lock icon if the air interface between the mobile phone and the base station did not use encryption. At the time at least France had disabled the encryption and the indicator caused some interesting discussions.