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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…

Machine Learning · Computer Science 2025-03-28 Yuhan Wang

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…

Machine Learning · Computer Science 2022-08-26 Gayan K. Kulatilleke , Sugandika Samarakoon

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…

This study addresses the actual behavior of the credit-card fraud detection environment where financial transactions containing sensitive data must not be amassed in an enormous amount to conduct learning. We introduce a new adaptive…

Machine Learning · Computer Science 2021-08-09 Armin Sadreddin , Samira Sadaoui

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…

Machine Learning · Computer Science 2019-09-06 Samuel Showalter , Zhixin Wu

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…

Cryptography and Security · Computer Science 2026-01-21 Karthikeyan V. R. , Premnath S. , Kavinraaj S. , J. Sangeetha

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…

Machine Learning · Computer Science 2023-09-27 Zaffar Zaffar , Fahad Sohrab , Juho Kanniainen , Moncef Gabbouj

Detection of a Fraud transaction on credit cards became one of the major problems for financial institutions, organizations and companies. As the global financial system is highly connected to non-cash transactions and online operations…

Machine Learning · Computer Science 2022-05-31 Dinara Rzayeva , Saber Malekzadeh

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…

Machine Learning · Computer Science 2024-02-23 Md. Alamin Talukder , Rakib Hossen , Md Ashraf Uddin , Mohammed Nasir Uddin , Uzzal Kumar Acharjee

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…

Machine Learning · Statistics 2019-09-02 Loc Tran , Tuan Tran , Linh Tran , An Mai

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…

Machine Learning · Computer Science 2019-04-25 Xuetong Niu , Li Wang , Xulei Yang

Rapid growth of modern technologies such as internet and mobile computing are bringing dramatically increased e-commerce payments, as well as the explosion in transaction fraud. Meanwhile, fraudsters are continually refining their tricks,…

Cryptography and Security · Computer Science 2018-03-20 Xurui Li , Wei Yu , Tianyu Luwang , Jianbin Zheng , Xuetao Qiu , Jintao Zhao , Lei Xia , Yujiao Li

With the rapid growth of e-commerce, online payment fraud has become increasingly complex, posing serious threats to financial security and consumer trust. Traditional detection methods often struggle to capture the intricate relational…

Computational Engineering, Finance, and Science · Computer Science 2025-09-15 RuiHan Luo , Nanxi Wang , Xiaotong Zhu

This systematic literature review examines the role of machine learning in fraud detection within digital banking, synthesizing evidence from 118 peer-reviewed studies and institutional reports. Following the PRISMA guidelines, the review…

Machine Learning · Computer Science 2025-10-08 Md Zahin Hossain George , Md Khorshed Alam , Md Tarek Hasan

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…

E-commerce platforms and payment solution providers face increasingly sophisticated fraud schemes, ranging from identity theft and account takeovers to complex money laundering operations that exploit the speed and anonymity of digital…

Artificial Intelligence · Computer Science 2026-01-12 Cooper Lin , Yanting Zhang , Maohao Ran , Wei Xue , Hongwei Fan , Yibo Xu , Zhenglin Wan , Sirui Han , Yike Guo , Jun Song

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…

Optimization and Control · Mathematics 2025-03-27 Alexander Stotsky

Credit card fraud has been a persistent issue since the last century, causing significant financial losses to the industry. The most effective way to prevent fraud is by contacting customers to verify suspicious transactions. However, while…

Machine Learning · Computer Science 2026-02-09 Menghao Huo , Kuan Lu , Qiang Zhu , Zhenrui Chen

The rapid expansion of e-commerce and the widespread use of credit cards in online purchases and financial transactions have significantly heightened the importance of promptly and accurately detecting credit card fraud (CCF). Not only do…

Risk Management · Quantitative Finance 2025-02-25 Mehdi Hosseini Chagahi , Niloufar Delfan , Saeed Mohammadi Dashtaki , Behzad Moshiri , Md. Jalil Piran

As the financial industry becomes more interconnected and reliant on digital systems, fraud detection systems must evolve to meet growing threats. Cloud-enabled Transformer models present a transformative opportunity to address these…

Computational Engineering, Finance, and Science · Computer Science 2025-02-03 Tingting Deng , Shuochen Bi , Jue Xiao