Apparently, the terrorists that attacked the concert hall in Paris last week were using... unencrypted text messages to communicate between themselves and&#x2F;or their &quot;boss&quot;.<p>According to the newspaper Liberation [1], they sent a text message at 9:42pm telling: &quot;we&#x27;re out we begin&quot;.<p>[1] <a href="http:&#x2F;&#x2F;www.liberation.fr&#x2F;france&#x2F;2015&#x2F;11&#x2F;18&#x2F;la-piste-du-sms-envoye-par-un-des-terroristes-du-bataclan_1414317" rel="nofollow">http:&#x2F;&#x2F;www.liberation.fr&#x2F;france&#x2F;2015&#x2F;11&#x2F;18&#x2F;la-piste-du-sms-e...</a>