Online account authentication and anti-fraud system and method

Abstract

A method employs processing circuitry for various steps. The steps include receiving, from a user device, authentication data in association with an online account of a number of online accounts, and locating, in a database system storing customer profiles corresponding the online accounts and based on the authentication data, a customer profile corresponding to the online account. The steps include determining a correspondence between the authentication data and reference authentication data in the customer profile, and locating authentication data in the customer profile based on determining the correspondence. The steps include locating, in the database system storing alias customer profiles corresponding to the customer profiles and based on the alias authentication data, an alias customer profile corresponding to the customer profile. The steps include locating, in the alias customer profile, reference alias authentication data, and determining an additional correspondence between the alias authentication data and the reference alias authentication data.