This Amazingly secure Android phone was able to discover fake cell phone towers

[cdmagurus.com]

We've always been suspicious of folks being able to snoop in on phone conversations or intercept data, but there isn't much we can do to prove that happening or to prevent the foul act. One secure phone seems to have changed that, however.

More... (http://phandroid.com/2014/09/02/cryptophone-500/)