Telegram is a messaging app available on iOS, Android, and Windows Phone. It was created by two brothers who helped launch the huge Russian social network VK (formerly VKontakte) in 2012. It offers two different types of chat options: normal chat — which has chats stored in the app’s cloud, and “secret chat” — which uses end-to-end encryption. While the normal chat does not follow the most scrupulous securing processes, if a users sends only secret chats, that person ought to have their security bases covered.