Mastercard Incorporated
Anomaly detection method for financial transactions

Abstract:

An method to detect anomalies in financial transactions which may be used to assess a risk of fraud is provided. The method comprises providing a computer-implemented approval log which stores a primary account number and one or more transaction attributes from a plurality of approved financial transactions associated with the primary account number. A computer-implemented approval anomaly detector is also provided to assess the plurality of approval events. These anomalies are then made available to one or more parties associated with the payment interchange network.