They didn&#x27;t use encryption for 1 SMS, the &quot;start now&quot; SMS they send with an anonymous pre-payed card. All tactical discussion go trough encrypted channels like the Telegram app or this one they made : <a href="https:&#x2F;&#x2F;pbs.twimg.com&#x2F;media&#x2F;CVn3xjpWEAEO0FF.jpg" rel="nofollow">https:&#x2F;&#x2F;pbs.twimg.com&#x2F;media&#x2F;CVn3xjpWEAEO0FF.jpg</a>