Dennis Fisher talks with David Dewey, director of research at Pindrop, about the data in the 2016 Phone Fraud Report. Since 2013 there has been a 45 percent increase in phone fraud and now more than one in every 2,000 calls to corporate call centers is fraudulent. This kind of fraud is costing business as much as $27 million a year. Dewey talks about the factors driving this boom in phone fraud and how businesses are dealing with it.