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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…

Machine Learning · Computer Science 2024-10-29 Md Kamrul Hasan Chy

Payment card fraud causes multibillion dollar losses for banks and merchants worldwide, often fueling complex criminal activities. To address this, many real-time fraud detection systems use tree-based models, demanding complex feature…

Machine Learning · Computer Science 2020-06-18 Bernardo Branco , Pedro Abreu , Ana Sofia Gomes , Mariana S. C. Almeida , João Tiago Ascensão , Pedro Bizarro

The insurance industry, with its large datasets, is a natural place to use big data solutions. However it must be stressed, that significant number of applications for machine learning in insurance industry, like fraud detection or claim…

Statistical Finance · Quantitative Finance 2022-04-14 Sebastian Baran , Przemysław Rola

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…

Machine Learning · Computer Science 2021-12-09 Siddharth Vimal , Kanishka Kayathwal , Hardik Wadhwa , Gaurav Dhama

Credit is an essential component of financial wellbeing in America, and unequal access to it is a large factor in the economic disparities between demographic groups that exist today. Today, machine learning algorithms, sometimes trained on…

Machine Learning · Computer Science 2022-10-07 I. Elizabeth Kumar , Keegan E. Hines , John P. Dickerson

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)…

Artificial Intelligence · Computer Science 2025-01-17 Chuo Jun Zhang , Asif Q. Gill , Bo Liu , Memoona J. Anwar

We develop quantum protocols for anomaly detection and apply them to the task of credit card fraud detection (FD). First, we establish classical benchmarks based on supervised and unsupervised machine learning methods, where average…

Quantum Physics · Physics 2022-08-03 Oleksandr Kyriienko , Einar B. Magnusson

With an upsurge in financial accounting fraud in the current economic scenario experienced, financial accounting fraud detection (FAFD) has become an emerging topic of great importance for academic, research and industries. The failure of…

Computers and Society · Computer Science 2013-09-17 Anuj Sharma , Prabin Kumar Panigrahi

The effectiveness of machine learning in evaluating the creditworthiness of loan applicants has been demonstrated for a long time. However, there is concern that the use of automated decision-making processes may result in unequal treatment…

Machine Learning · Computer Science 2023-06-23 Darie Moldovan

Money laundering and financial fraud remain major threats to global financial stability, costing trillions annually and challenging regulatory oversight. This paper reviews how artificial intelligence (AI) applications can modernize…

Artificial Intelligence · Computer Science 2025-12-09 Chuanhao Nie , Yunbo Liu , Chao Wang

Credit default poses significant challenges to financial institutions and consumers, resulting in substantial financial losses and diminished trust. As such, credit default risk management has been a critical topic in the financial…

Computational Engineering, Finance, and Science · Computer Science 2026-01-21 Yuanhong Wu , Jingyan Xu , Wei Ye , Christina Schweikert , D. Frank Hsu

Credit card fraud detection (CCFD) is a critical application of Machine Learning (ML) in the financial sector, where accurately identifying fraudulent transactions is essential for mitigating financial losses. ML models have demonstrated…

Cryptography and Security · Computer Science 2025-08-21 Jan Lum Fok , Qingwen Zeng , Shiping Chen , Oscar Fawkes , Huaming Chen

Fraud detection is to identify, monitor, and prevent potentially fraudulent activities from complex data. The recent development and success in AI, especially machine learning, provides a new data-driven way to deal with fraud. From a…

Machine Learning · Statistics 2023-05-19 Biao Xu , Yao Wang , Xiuwu Liao , Kaidong Wang

Automated fraud behaviors detection on electronic payment platforms is a tough problem. Fraud users often exploit the vulnerability of payment platforms and the carelessness of users to defraud money, steal passwords, do money laundering,…

Cryptography and Security · Computer Science 2019-09-06 Ruoyu Deng , Na Ruan

Online transaction fraud presents substantial challenges to businesses and consumers, risking significant financial losses. Conventional rule-based systems struggle to keep pace with evolving fraud tactics, leading to high false positive…

Risk Management · Quantitative Finance 2024-02-20 Catayoun Azarm , Erman Acar , Mickey van Zeelt

Imbalanced data classification problem has always been a popular topic in the field of machine learning research. In order to balance the samples between majority and minority class. Oversampling algorithm is used to synthesize new minority…

Machine Learning · Computer Science 2019-09-02 Junyi Zou , Jinliang Zhang , Ping Jiang

In today's world, with the rise of numerous social platforms, it has become relatively easy for anyone to spread false information and lure people into traps. Fraudulent schemes and traps are growing rapidly in the investment world. Due to…

Artificial Intelligence · Computer Science 2023-08-23 Prabh Simran Singh Baweja , Orathai Sangpetch , Akkarit Sangpetch

Credit card fraud poses a significant threat to the economy. While Graph Neural Network (GNN)-based fraud detection methods perform well, they often overlook the causal effect of a node's local structure on predictions. This paper…

Machine Learning · Computer Science 2024-11-28 Yifan Duan , Guibin Zhang , Shilong Wang , Xiaojiang Peng , Wang Ziqi , Junyuan Mao , Hao Wu , Xinke Jiang , Kun Wang

Fraud detection is essential in financial services, with the potential of greatly reducing criminal activities and saving considerable resources for businesses and customers. We address online fraud detection, which consists of classifying…

Machine Learning · Computer Science 2020-02-17 David Aparício , Ricardo Barata , João Bravo , João Tiago Ascensão , Pedro Bizarro

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…

Cryptography and Security · Computer Science 2025-06-16 Shaun Shuster , Eyal Zaloof , Asaf Shabtai , Rami Puzis
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