Sigh.
Nothing is secure.
Blackberries were backdoored by the RCMP.
https:// motherboard.vice.com/en_us/article/mg77vv/rcmp-blackberry-project-clemenza-global-encryption-key-canada
Who then told the FBI how to do it…
https:// www.fbi.gov/news/stories/phantom-secure-takedown-031618