Yeah.  This has been something they&#x27;ve been looking into for a while now.  Read all of the updates.  It&#x27;s turtles all the way down.<p><a href="https:&#x2F;&#x2F;www.schneier.com&#x2F;blog&#x2F;archives&#x2F;2012&#x2F;05&#x2F;backdoor_found.html" rel="nofollow">https:&#x2F;&#x2F;www.schneier.com&#x2F;blog&#x2F;archives&#x2F;2012&#x2F;05&#x2F;backdoor_foun...</a>