Mobile security is at the top of every company’s worry list these days — and for good reason: Nearly all workers now routinely access corporate data from smartphones, and that means keeping sensitive info out of the wrong hands is an increasingly intricate puzzle. The stakes, suffice it to say, are higher than ever: The average cost of a corporate data breach is a whopping $3.86 million, according to a 2018 report by the Ponemon Institute. That’s 6.4 percent more than the estimated cost just one year earlier.