Re:The myth of the ISIS encrypted messaging app
by TazeTSchnitzel on Friday January 29, 2016 @06:05PM
(#10999255)
Somewhat related: there's an online German opsec magazine aimed at mujahideen, named Kybernetiq.[0] It's pretty slick. The first issue[1] included a GPG tutorial and a review of a "jihadi" messaging app (they don't recommend it).
[0] https://twitter.com/kybernetiq
[1] https://archive.org/details/kybernetiq_magazin