How to secure a smartphone for the tweeter-in-chief

President's smartphone is probably the most attractive target imaginable for foreign govts' hackers

As President Donald Trump takes office, he has also taken up a new, digital symbol of the presidency. Before, during and since the campaign, he used an Android smartphone to conduct his business and tweet prolifically, directly reaching millions of followers. But when he was inaugurated, Trump surrendered that device and accepted in its place a smartphone that has somehow been made more secure.

It is a key move for a man who might now be not only the 45th commander-in-chief but also America’s first president with such devotion