"We were not contacted by Exodus Intel prior to their tweet. In fact, a more irritated version of this text was ready when we finally received an email from them. They informed us that they would provide us with a report within a week."
"Being fully aware of this kind of threat, we're continuously working on improving Tails' security in depth. Among other tasks, we're working on a tight integration of AppArmor in Tails, kernel and web browser hardening as well as sandboxing, just to name a few examples." developers said.UPDATE