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Esther George, president and chief executive officer of the Kansas City Federal Reserve Bank, speaks during the Federal Reserve Bank Of Chicago's Annual Payments Symposium in Chicago, Illinois, U.S., on Wednesday, Oct. 12, 2016. George said 'dynamic, persistent and escalating threats are challenging public confidence in the U.S. payment system.' Photographer: Christopher Dilts/Bloomberg via Getty Images

Esther George, president and chief executive officer of the Kansas City Federal Reserve Bank, speaks during the Federal Reserve Bank Of Chicago's Annual Payments Symposium in Chicago, Illinois, U.S., on Wednesday, Oct. 12, 2016. George said 'dynamic, persistent and escalating threats are challenging public confidence in the U.S. payment system.' Photographer: Christopher Dilts/Bloomberg via Getty Images