https://motherboard.vice.com/en_us/article/isis-messaging-apps
Tuesday, February 7, 2017
"Almost Any Messaging App Will Do—If You're ISIS " Motherboard
"These apps, used or promoted by top IS recruiters Neil Prakash ("Abu Khalid al-Cambodi"), Mohamed Abdullahi Hassan ("Mujahid Miski"), and Farah Mohamed Shirdon ("Abu Usamah as-Somali"), include Wickr, Kik, SureSpot, ChatSecure, Telegram, and WhatsApp, among others..."
