Granular permissions shuts down random app developers, but it does nothing to stop the big league: the carriers, Google, and NSA.<p>One massive concern is the &#x27;secret&#x27; second operating system that every phone carries on the baseband modem: <a href="http:&#x2F;&#x2F;www.extremetech.com&#x2F;computing&#x2F;170874-the-secret-second-operating-system-that-could-make-every-mobile-phone-insecure" rel="nofollow">http:&#x2F;&#x2F;www.extremetech.com&#x2F;computing&#x2F;170874-the-secret-secon...</a>