Edward Snowden @Snowden
I respect @durov, but Ptacek is right: @telegram's defaults are dangerous. Without a major update, it's unsafe. https://t.co/pbBt2rHr5x — PolitiTweet.org
Thomas Ptacek @tqbf
By default Telegram stores the PLAINTEXT of EVERY MESSAGE every user has ever sent or received on THEIR SERVER.