The great Equifax mystery: 17 months later, the stolen data has never been found, and experts are starting to suspect a spy scheme By cpradminjustinFebruary 14, 2019March 16, 2019News Equifax’s data breach on Sept. 7, 2017, stunned markets and American consumers, but the data has disappeared. Source: The great Equifax mystery: 17 months later, the stolen data has never been found, and experts are starting to suspect a spy scheme