<i>&quot;rely on steganography and disappearing in the noise.&quot;</i><p>They already do that[0].<p>0. <a href="http:&#x2F;&#x2F;arstechnica.com&#x2F;business&#x2F;2012&#x2F;05&#x2F;steganography-how-al-qaeda-hid-secret-documents-in-a-porn-video&#x2F;" rel="nofollow">http:&#x2F;&#x2F;arstechnica.com&#x2F;business&#x2F;2012&#x2F;05&#x2F;steganography-how-al...</a>