Note on theoretical fault attack vector (2017 DEFCON talk)

In June 2017, we were contacted by security researchers Josh Datko and Chris Quartier, regarding a theoretical fault attack vector, by glitching the clock or VCC of the device. Josh and Chris presented their findings at DEFCON, and we incorporated their recommendations in the firmware version 1.5.1. As their disclosure did not reveal any provably exploitable vulnerabilities, we are not categorizing it as an issue, but we are mentioning it for the sake of completeness.