Mastercard International Incorporated

Ramamohan R Sangasani

Po Hu

Qian Wang

Tong Zhang

A method and system for detecting fraud in a payment card network using a pattern of transaction ticket size are provided. The method including receiving transaction information, for a current financial transaction, from at least one of a merchant point of sale (POS) device and a merchant website, the transaction information including a current transaction amount, the transaction information associated with a single payment card cardholder, retrieving a predetermined number of historical transactions for the single cardholder based on the transaction information, and generating a historical spend ticket size pattern based on average ticket size and dispersions for at least one of the same store, similar stores, and relevant merchant categories. The method further including comparing the current transaction amount to the historical spend ticket size pattern and generating a recommendation for approval or decline of the current financial transaction based on the comparison.

Systems and methods for fraud detection by transaction ticket size pattern

Systems and methods are provided for storing, sorting, and analyzing account transactions in a payment network, and for real-time data analytics. One embodiment of a real-time data storage and analytics system includes a payment network that collects and processes account transactions. The system also includes a first data cluster that includes a first data structure. The first data structure stores a set of the account transactions. Additionally, the system includes a second data cluster that in turn includes a second data structure. The second data structure stores account transactions for new account and account transactions for which there is insufficient space in the first data structure. Moreover, the system includes an application engine that generates a score for an account based on transaction data associated with the account transactions for the account.

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White Plains, NY, United States of America

Ramamohan R Sangasani