american express security team accessverifytxgov dear customer due recent fraudulent activities online accounts launching new system database encryption make online accounts secure safe activate account review confirm authenticity account holder regain full access account use means online payment kindly follow step need 1log account 2put informations required closing tab 3reach finish tab await mail email within next 48hours sure encryption successful click login safety conveniency priority sincerely american express security teamcustomer care service dear customer due recent fraudulent activities online accounts launching new system database encryption make online accounts secure safe activate account review confirm authenticity account holder regain full access account use means online payment kindly follow step need 1log account 2put informations required closing tab 3reach finish tab await mail email within next 48hours sure encryption successful click login safety conveniency priority sincerely american express security teamcustomer care service mon 18 jun 2018 114015 0700 account verification validation