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In an increasingly digitalized commerce landscape, the proliferation of credit card fraud and the evolution of sophisticated fraudulent techniques have led to substantial financial losses. Automating credit card fraud detection is a viable…

机器学习 · 计算机科学 2023-09-27 Zaffar Zaffar , Fahad Sohrab , Juho Kanniainen , Moncef Gabbouj

Credit card fraud causes significant financial losses and frequently occurs as fraud attack, defined as short-term sequence of fraudulent transactions associated with high transaction rates and amounts, business areas historically tied to…

最优化与控制 · 数学 2025-03-27 Alexander Stotsky

The dark face of digital commerce generalization is the increase of fraud attempts. To prevent any type of attacks, state-of-the-art fraud detection systems are now embedding Machine Learning (ML) modules. The conception of such modules is…

Credit card has become popular mode of payment for both online and offline purchase, which leads to increasing daily fraud transactions. An Efficient fraud detection methodology is therefore essential to maintain the reliability of the…

机器学习 · 计算机科学 2019-04-25 Xuetong Niu , Li Wang , Xulei Yang

Various problems of any credit card fraud detection based on machine learning come from the imbalanced aspect of transaction datasets. Indeed, the number of frauds compared to the number of regular transactions is tiny and has been shown to…

机器学习 · 计算机科学 2022-06-28 François de la Bourdonnaye , Fabrice Daniel

Financial fraud detection is an important problem with a number of design aspects to consider. Issues such as algorithm selection and performance analysis will affect the perceived ability of proposed solutions, so for auditors and…

密码学与安全 · 计算机科学 2016-01-07 J. West , Maumita Bhattacharya

In the era of the digitally driven economy, where there has been an exponential surge in digital payment systems and other online activities, various forms of fraudulent activities have accompanied the digital growth, out of which credit…

机器学习 · 计算机科学 2025-09-23 Ganesh Khekare , Shivam Sunda , Yash Bothra

For the highly imbalanced credit card fraud detection problem, most existing methods either use data augmentation methods or conventional machine learning models, while neural network-based anomaly detection approaches are lacking.…

机器学习 · 计算机科学 2022-06-30 Tungyu Wu , Youting Wang

Machine learning has automated much of financial fraud detection, notifying firms of, or even blocking, questionable transactions instantly. However, data imbalance starves traditionally trained models of the content necessary to detect…

机器学习 · 计算机科学 2019-09-06 Samuel Showalter , Zhixin Wu

Credit card fraud is a problem continuously faced by financial institutions and their customers, which is mitigated by fraud detection systems. However, these systems require the use of sensitive customer transaction data, which introduces…

密码学与安全 · 计算机科学 2022-11-15 David Nugent

Fraud detection systems (FDS) mainly perform two tasks: (i) real-time detection while the payment is being processed and (ii) posterior detection to block the card retrospectively and avoid further frauds. Since human verification is often…

机器学习 · 计算机科学 2022-04-12 Van Bach Nguyen , Kanishka Ghosh Dastidar , Michael Granitzer , Wissam Siblini

The credit cards' fraud transactions detection is the important problem in machine learning field. To detect the credit cards's fraud transactions help reduce the significant loss of the credit cards' holders and the banks. To detect the…

机器学习 · 统计学 2019-09-02 Loc Tran , Tuan Tran , Linh Tran , An Mai

Credit card fraud is a major cause of national concern in the Nigerian financial sector, affecting hundreds of transactions per second and impacting international ecommerce negatively. Despite the rapid spread and adoption of online…

机器学习 · 计算机科学 2024-07-15 Jennifer Onyeama

Credit card fraud remains a significant challenge due to class imbalance and fraudsters mimicking legitimate behavior. This study evaluates five machine learning models - Logistic Regression, Random Forest, XGBoost, K-Nearest Neighbors…

机器学习 · 计算机科学 2025-09-19 Iva Popova , Hamza A. A. Gardi

Machine learning and data mining techniques have been used extensively in order to detect credit card frauds. However purchase behaviour and fraudster strategies may change over time. This phenomenon is named dataset shift or concept drift…

With growing credit card transaction volumes, the fraud percentages are also rising, including overhead costs for institutions to combat and compensate victims. The use of machine learning into the financial sector permits more effective…

机器学习 · 计算机科学 2022-08-26 Gayan K. Kulatilleke , Sugandika Samarakoon

As online fraud becomes more sophisticated and pervasive, traditional fraud detection methods are struggling to keep pace with the evolving tactics employed by fraudsters. This paper explores the transformative role of machine learning in…

机器学习 · 计算机科学 2024-10-29 Md Kamrul Hasan Chy

The automatic detection of frauds in banking transactions has been recently studied as a way to help the analysts finding fraudulent operations. Due to the availability of a human feedback, this task has been studied in the framework of…

机器学习 · 计算机科学 2020-04-24 Christelle Marfaing , Alexandre Garcia

Fraudulent activities on digital banking services are becoming more intricate by the day, challenging existing defenses. While older rule driven methods struggle to keep pace, even precision focused algorithms fall short when new scams are…

密码学与安全 · 计算机科学 2026-01-21 Karthikeyan V. R. , Premnath S. , Kavinraaj S. , J. Sangeetha

Credit investigation is critical for financial services. Whereas, traditional methods are often restricted as the employed data hardly provide sufficient, timely and reliable information. With the prevalence of smart mobile devices,…

机器学习 · 计算机科学 2019-10-22 Xiao Han , Ruiqing Ding , Leye Wang , Hailiang Huang