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Fraud Risk Monitoring System for E-Banking Transactions

Guo, Chaonian; Wang, Hao; Dai, Hong-Ning; Cheng, Shuhan; Wang, Tongsen
Chapter
Accepted version
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URI
http://hdl.handle.net/11250/2596417
Date
2018
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  • Institutt for IKT og realfag [242]
  • Publikasjoner fra CRIStin - NTNU [19757]
Original version
10.1109/DASC/PiCom/DataCom/CyberSciTec.2018.00030
Abstract
Fraudulent e-banking transactions have caused great economic loss every year. Thus, it is important for financial institutions to make the e-banking system more secure, and improve the fraud detection system. Researches for the fraud risk monitoring are mainly focused on score rules and data driven model. The score rule is based on expertise, which is vulnerable to new patterns of frauds. Data driven model is based on machine learning classifiers, and usually has to handle the imbalanced classification problem. In this paper, we propose a novel fraud risk monitoring system for e-banking transactions. Model of score rules for online real-time transactions and offline historical transactions are combined together for the fraud detection. Parallel big data framework: Kafka, Spark and MPP Gbase which integrated with a machine learning algorithm is presented to handle offline massive transaction logs. Experimental results show the effectiveness of our proposed scheme over a real massive dataset of e-banking transactions. This evaluation leads us to identify research gaps and challenges to consider in future research endeavors.
Publisher
Institute of Electrical and Electronics Engineers (IEEE)

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