Even more emphatically no: ISIS plotters apparently did all their comms in the clear: <a href="https:&#x2F;&#x2F;theintercept.com&#x2F;2015&#x2F;11&#x2F;18&#x2F;signs-point-to-unencrypted-communications-between-terror-suspects&#x2F;" rel="nofollow">https:&#x2F;&#x2F;theintercept.com&#x2F;2015&#x2F;11&#x2F;18&#x2F;signs-point-to-unencrypt...</a><p>Ha ha ha! I wonder what twisted definitions and logic people like Michael Hayden on the &quot;Today&quot; show yesterday morning use when denouncing Snowden and advocating for backdoors.