A system for detecting counterfeit financial card fraud

G - Physics – 07 – F

Patent

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G07F 7/08 (2006.01)

Patent

CA 2367462

Counterfeit financial card fraud is detected on the premise that the fraudulent activity will reflect itself in clustered groups of suspicious transactions (124). A system for detecting financial card fraud uses a computer database (104) comprising financial card transaction data reported from a plurality of financial institutions (102). The transactions are scored by assigning weights to individual transactions to identify suspicious transactions. The geographic region where the transaction took place as well as the time of the transactions are recorded. An event building process then identifies cards involved in suspicious transactions in a same region during a common time period to determine clustered groups of suspicious activity suggesting an organized counterfeit card operation which would otherwise be impossible for the individual financial institutions to detect.

L'utilisation frauduleuse d'une carte bancaire contrefaite est décelée parce que l'activité frauduleuse est répertoriée dans des groupes de transactions suspectes (124). L'invention concerne un système de détection de l'utilisation frauduleuse d'une carte bancaire équipé d'une base de données informatisée (104) comprenant des données concernant la transaction de cartes bancaires, données remises par différentes institutions financières (102). Les transactions sont classées selon des coefficients de pondération attribués à des transactions individuelles pour identifier des transactions suspectes. La zone géographique dans laquelle la transaction se produit ainsi que l'heure sont enregistrées. Un processus de construction d'événement identifie ensuite les cartes impliquées dans ces transactions suspectes ayant lieu dans une même région pendant une même période de temps afin de déterminer les groupes d'activités suspectes renvoyant à un réseau organisé d'utilisation de cartes contrefaites impossible à déceler par les institutions financières.

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