Analytics: Betrugserkennung im Handel

  • Beitrags-Kategorie:Analytics

Heute mal etwas für die Data Scientists unter Euch: wirksame Methoden zur Betrugserkennung im Handel. Geeky, aber interessant!

Fraud detection is all about connecting the dots. We are going to see how to use graph analysis to identify stolen credit cards and fake identities.

Third party fraud occurs when a criminal uses someone else’s identity to commit fraud. For a typical retail operation this takes the form of individuals or groups of individuals using stolen credit card to purchase high-value items.

Fighting it is a challenge. In particular, it means having a capability to detect potential fraud cases in large datasets and a capability to distinguish between real cases and false positives (the cases that look suspicious but are legitimate).

Traditional fraud detection systems focus on threshold related to customers activities. Suspicious activities include for example multiple purchases of the same product, high number of transactions per person or per credit card.

Graph analysis can add an extra layer of security by focusing on the relationships between fraudsters or fraud cases. It helps identify fraud cases that would otherwise go undetected…until too late.

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