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Financial institutions and businesses face an ongoing challenge from fraudulent transactions, prompting the need for effective detection methods. Detecting credit card fraud is crucial for identifying and preventing unauthorized…

This research introduces an innovative method for identifying credit card fraud by combining the SMOTE-KMEANS technique with an ensemble machine learning model. The proposed model was benchmarked against traditional models such as logistic…

机器学习 · 计算机科学 2025-03-28 Yuhan Wang

This paper addresses the problem of unsupervised approach of credit card fraud detection in unbalanced dataset using the ARIMA model. The ARIMA model is fitted on the regular spending behaviour of the customer and is used to detect fraud if…

密码学与安全 · 计算机科学 2020-09-17 Giulia Moschini , Régis Houssou , Jérôme Bovay , Stephan Robert-Nicoud

This paper systematically reviews advancements in deep learning (DL) techniques for financial fraud detection, a critical issue in the financial sector. Using the Kitchenham systematic literature review approach, 57 studies published…

机器学习 · 计算机科学 2025-07-31 Yisong Chen , Chuqing Zhao , Yixin Xu , Chuanhao Nie , Yixin Zhang

Often the challenge associated with tasks like fraud and spam detection is the lack of all likely patterns needed to train suitable supervised learning models. This problem accentuates when the fraudulent patterns are not only scarce, they…

机器学习 · 计算机科学 2019-05-08 Utkarsh Porwal , Smruthi Mukund

The extensive use of the internet is continuously drifting businesses to incorporate their services in the online environment. One of the first spectrums to embrace this evolution was the banking sector. In fact, the first known online…

机器学习 · 计算机科学 2020-09-15 Arianit Mehana , Krenare Pireva Nuci

The large variety of digital payment choices available to consumers today has been a key driver of e-commerce transactions in the past decade. Unfortunately, this has also given rise to cybercriminals and fraudsters who are constantly…

机器学习 · 计算机科学 2021-12-09 Siddharth Vimal , Kanishka Kayathwal , Hardik Wadhwa , Gaurav Dhama

Financial crime is a large and growing problem, in some way touching almost every financial institution. Financial institutions are the front line in the war against financial crime and accordingly, must devote substantial human and…

The application of machine learning to support the processing of large datasets holds promise in many industries, including financial services. However, practical issues for the full adoption of machine learning remain with the focus being…

机器学习 · 计算机科学 2021-05-14 Ismini Psychoula , Andreas Gutmann , Pradip Mainali , S. H. Lee , Paul Dunphy , Fabien A. P. Petitcolas

The digitalization of credit scoring has become essential for financial institutions and commercial banks, especially in the era of digital transformation. Machine learning techniques are commonly used to evaluate customers'…

机器学习 · 计算机科学 2026-03-06 Huyen Giang Thi Thu , Thang Viet Doan , Ha-Bang Ban , Tai Le Quy

Social reviews have dominated the web and become a plausible source of product information. People and businesses use such information for decision-making. Businesses also make use of social information to spread fake information using a…

机器学习 · 计算机科学 2023-01-05 Saeedreza Shehnepoor , Roberto Togneri , Wei Liu , Mohammed Bennamoun

Identity theft is a major problem for credit lenders when there's not enough data to corroborate a customer's identity. Among super-apps large digital platforms that encompass many different services this problem is even more relevant;…

With the rapid development of digital services, a large volume of personally identifiable information (PII) is stored online and is subject to cyberattacks such as Identity fraud. Most recently, the use of Artificial Intelligence (AI)…

人工智能 · 计算机科学 2025-01-17 Chuo Jun Zhang , Asif Q. Gill , Bo Liu , Memoona J. Anwar

Data economy relies on data-driven systems and complex machine learning applications are fueled by them. Unfortunately, however, machine learning models are exposed to fraudulent activities and adversarial attacks, which threaten their…

机器学习 · 计算机科学 2023-07-06 Danele Lunghi , Alkis Simitsis , Olivier Caelen , Gianluca Bontempi

The continuous growth of the e-commerce industry attracts fraudsters who exploit stolen credit card details. Companies often investigate suspicious transactions in order to retain customer trust and address gaps in their fraud detection…

密码学与安全 · 计算机科学 2025-06-16 Shaun Shuster , Eyal Zaloof , Asaf Shabtai , Rami Puzis

Fraud detection and prevention play an important part in ensuring the sustained operation of any e-commerce business. Machine learning (ML) often plays an important role in these anti-fraud operations, but the organizational context in…

Correctly dealing with categorical data in a supervised learning context is still a major issue. Furthermore, though some machine learning methods embody builtin methods to deal with categorical features, it is unclear whether they bring…

机器学习 · 计算机科学 2021-12-23 François de la Bourdonnaye , Fabrice Daniel

Fraud detection is a challenging task due to the changing nature of fraud patterns over time and the limited availability of fraud examples to learn such sophisticated patterns. Thus, fraud detection with the aid of smart versions of…

机器学习 · 计算机科学 2022-09-07 Mary Isangediok , Kelum Gajamannage

In the era of pervasive cyber threats and exponential growth in digital services, the inadequacy of single-factor authentication has become increasingly evident. Multi-Factor Authentication (MFA), which combines knowledge-based factors…

密码学与安全 · 计算机科学 2025-10-08 Abdelilah Ganmati , Karim Afdel , Lahcen Koutti

Fraud detection is one of the most important challenges that financial systems must address. Detecting fraudulent transactions is critical for payment gateway companies like Flow Payment, which process millions of transactions monthly and…

神经与进化计算 · 计算机科学 2025-07-15 Kevin Reyes , Vasco Cortez