Fraud detection system automatic rule manipulator

摘要

Embodiments of the invention are directed to a fraud detection system that automatically converts the currency and value of received transaction data to correspond to the currency in fraud detection rules established by a merchant. The converted transaction data is then analyzed against the fraud detection rules to determine whether the transaction data indicates fraudulent activity.

主权项

1. A method comprising:
providing, by a server computer, a user interface on a client computer for viewing and modifying a plurality of fraud detection rules for detecting fraudulent transactions; receiving, by the server computer, a first value in a first currency via the user interface on the client computer operated by a user; generating, by the server computer, a fraud detection rule using the received first value in the first currency; storing, by the server computer, the fraud detection rule and the first currency in a merchant profile; subsequent to storing the fraud detection rule, receiving, by the server computer, transaction data including a transaction total and a currency indicator; determining, by the server computer, that the currency indicator corresponds to a second currency that is different from the first currency stored in the merchant profile; obtaining, by the server computer, an exchange rate between the first currency and the second currency; automatically determining, by the server computer, a converted transaction total in the first currency using the exchange rate; evaluating, by the server computer, the converted transaction total in the first currency using the first value from the fraud detection rule; and providing, by the server computer, a message based on the evaluation of the converted transaction total in the first currency using the first value from the fraud detection rule.