Equifax’s data breach on Sept. 7, 2017, stunned markets and American consumers, but where the data of those 143 million people disappeared to has remained a mystery. CNBC talked to experts, intelligence officials, dark web data “hunters” and Equifax to discover where they expect the data has gone, and what it is being used for.… Read More The great Equifax mystery: 17 months later, the stolen data has never been found, and experts are starting to suspect a spy scheme