Their activities can be only accessible with special computer programs like Tor web client.
According to Bryson We keep seeing them migrating across different platforms.
I dont think by shutting down a current means of communication will mean the Islamic State fails.
Its not key to defeating them.
In addition, the group has also been using Telegram, which offers end-to-end encrypted messaging.
This cloud based messaging service works across a variety of platforms including both mobile and desktop.
Telegram also offers end-to-end encryption with self destruct timers making messages harder to trace and recover.
source: www.techworm.net