https://www.theregister.co.uk/2019/10/18/vatican_erosary_insecure/ > Exclusive The technology behind the Catholic Church’s latest innovation, an electronic rosary, is so insecure, it can be trivially hacked to siphon off worshipers' personal information. > The eRosary, which went on sale this week at just $109 (£85) a pop, consists of ten metallic beads, and a metal cross that’s Bluetooth enabled, has wireless charging, and is motion sensitive.