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Advances in computer vision have brought us to the point where we have the ability to synthesise realistic fake content. Such approaches are seen as a source of disinformation and mistrust, and pose serious concerns to governments around…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Tharindu Fernando , Clinton Fookes , Simon Denman , Sridha Sridharan

Addressing class imbalance is a central challenge in credit card fraud detection, as it directly impacts predictive reliability in real-world financial systems. To overcome this, the study proposes an enhanced workflow based on the…

机器学习 · 计算机科学 2026-02-09 Reza E. Fazel , Arash Bakhtiary , Siavash A. Bigdeli

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…

机器学习 · 计算机科学 2021-08-09 Armin Sadreddin , Samira Sadaoui

The proliferation of malware variants poses a significant challenges to traditional malware detection approaches, such as signature-based methods, necessitating the development of advanced machine learning techniques. In this research, we…

机器学习 · 计算机科学 2024-12-30 Ritik Mehta , Olha Jureckova , Mark Stamp

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…

The credit card has become the most popular payment method for both online and offline transactions. The necessity to create a fraud detection algorithm to precisely identify and stop fraudulent activity arises as a result of both the…

人工智能 · 计算机科学 2023-03-14 AlsharifHasan Mohamad Aburbeian , Huthaifa I. Ashqar

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…

机器学习 · 计算机科学 2025-10-08 Md Zahin Hossain George , Md Khorshed Alam , Md Tarek Hasan

Predicting potential credit default accounts in advance is challenging. Traditional statistical techniques typically cannot handle large amounts of data and the dynamic nature of fraud and humans. To tackle this problem, recent research has…

机器学习 · 计算机科学 2018-07-04 Sheikh Rabiul Islam , William Eberle , Sheikh Khaled Ghafoor

Credit card fraud incurs a considerable cost for both cardholders and issuing banks. Contemporary methods apply machine learning-based classifiers to detect fraudulent behavior from labeled transaction records. But labeled data are usually…

机器学习 · 计算机科学 2024-12-25 Sheng Xiang , Mingzhi Zhu , Dawei Cheng , Enxia Li , Ruihui Zhao , Yi Ouyang , Ling Chen , Yefeng Zheng

Money laundering is the crucial mechanism utilized by criminals to inject proceeds of crime to the financial system. The primary responsibility of the detection of suspicious activity related to money laundering is with the financial…

机器学习 · 计算机科学 2020-11-18 Utku Görkem Ketenci , Tolga Kurt , Selim Önal , Cenk Erbil , Sinan Aktürkoğlu , Hande Şerban İlhan

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

In e-commerce industry, user behavior sequence data has been widely used in many business units such as search and merchandising to improve their products. However, it is rarely used in financial services not only due to its 3V…

机器学习 · 计算机科学 2021-01-13 Wei Min , Weiming Liang , Hang Yin , Zhurong Wang , Mei Li , Alok Lal

Phishing detection on Ethereum has increasingly leveraged advanced machine learning techniques to identify fraudulent transactions. However, limited attention has been given to understanding the effectiveness of feature selection strategies…

密码学与安全 · 计算机科学 2025-04-28 Ahod Alghuried , Abdulaziz Alghamdi , Ali Alkinoon , Soohyeon Choi , Manar Mohaisen , David Mohaisen

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…

计算工程、金融与科学 · 计算机科学 2025-09-15 RuiHan Luo , Nanxi Wang , Xiaotong Zhu

Effective control of credit risk is a key link in the steady operation of commercial banks. This paper is mainly based on the customer information dataset of a foreign commercial bank in Kaggle, and we use LightGBM algorithm to build a…

机器学习 · 计算机科学 2023-08-21 Yanjie Sun , Zhike Gong , Quan Shi , Lin Chen

Credit card fraud imposes significant costs on both cardholders and issuing banks. Fraudsters often disguise their crimes, such as using legitimate transactions through several benign users to bypass anti-fraud detection. Existing graph…

机器学习 · 计算机科学 2025-03-04 Yao Zou , Dawei Cheng

Hidden Markov Chains (HMCs) are commonly used mathematical models of probabilistic systems. They are employed in various fields such as speech recognition, signal processing, and biological sequence analysis. We consider the problem of…

数据结构与算法 · 计算机科学 2016-05-10 Stefan Kiefer , A. Prasad Sistla

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

This study conducts a benchmarking study, comparing 23 different statistical and machine learning methods in a credit scoring application. In order to do so, the models' performance is evaluated over four different data sets in combination…

计量经济学 · 经济学 2019-07-31 Anna Stelzer

Credit scoring is vital in the financial industry, assessing the risk of lending to credit card applicants. Traditional credit scoring methods face challenges with large datasets and data imbalance between creditworthy and non-creditworthy…

计算工程、金融与科学 · 计算机科学 2024-09-26 Kejian Tong , Zonglin Han , Yanxin Shen , Yujian Long , Yijing Wei