Screwdriver optional: fingerprint lock broadcasts its unlock code over Bluetooth (and the steel is garbage)
by Cory Doctorow from on (#3SJF8)
Fingerprint locks are catastrophically awful, part LXVII: the software security on the crowdfunded Tapplock "is basically nonexistent" -- the lock broadcasts its own unlock code over Bluetooth, and if you send it back to the lock, it pops open. (more")