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648 Results Found

  • Review
  • Open Access
1,754 Views
32 Pages

A Review of Artificial Intelligence for Financial Fraud Detection

  • Haiquan Yang,
  • Zarina Shukur and
  • Shahnorbanun Sahran

14 February 2026

Financial fraud has expanded rapidly with the growth of the digital economy, evolving from conventional transactional misconduct to more complex and data-intensive forms. Traditional rule-based detection methods are increasingly inadequate for addres...

  • Article
  • Open Access
1 Citations
1,070 Views
14 Pages

16 September 2025

With the growth of e-commerce platforms, the number of fraud reviews has rapidly increased, making fraud detection for platform data critically important. To detect fraud reviews in platform data, recent approaches have leveraged graph neural network...

  • Review
  • Open Access
3 Citations
13,404 Views
32 Pages

An Introduction to Machine Learning Methods for Fraud Detection

  • Antonio Alessio Compagnino,
  • Ylenia Maruccia,
  • Stefano Cavuoti,
  • Giuseppe Riccio,
  • Antonio Tutone,
  • Riccardo Crupi and
  • Antonio Pagliaro

5 November 2025

Financial fraud represents a critical global challenge with substantial economic and social consequences. This comprehensive review synthesizes the current knowledge on machine learning approaches for financial fraud detection, examining their effect...

  • Article
  • Open Access
1 Citations
2,055 Views
21 Pages

Spectrum-Constrained and Skip-Enhanced Graph Fraud Detection: Addressing Heterophily in Fraud Detection with Spectral and Spatial Modeling

  • Ijeoma A. Chikwendu,
  • Xiaoling Zhang,
  • Chiagoziem C. Ukwuoma,
  • Okechukwu C. Chikwendu,
  • Yeong Hyeon Gu and
  • Mugahed A. Al-antari

21 March 2025

Fraud detection in large-scale graphs presents significant challenges, especially in heterophilic graphs where linked nodes often belong to dissimilar classes or exhibit contrasting attributes. These asymmetric interactions, combined with class imbal...

  • Article
  • Open Access
16 Citations
1,702 Views
18 Pages

Detection of Auction Fraud in Commercial Sites

  • Farzana Anowar and
  • Samira Sadaoui

Online auctions have become one of the most convenient ways to commit fraud due to a large amount of money being traded every day. Shill bidding is the predominant form of auction fraud, and it is also the most difficult to detect because it so close...

  • Article
  • Open Access
79 Citations
10,318 Views
14 Pages

13 June 2023

In recent years, with the rapid development of Internet technology, the number of credit card users has increased significantly. Subsequently, credit card fraud has caused a large amount of economic losses to individual users and related financial en...

  • Article
  • Open Access
22 Citations
10,412 Views
22 Pages

Privacy Intrusiveness in Financial-Banking Fraud Detection

  • Larisa Găbudeanu,
  • Iulia Brici,
  • Codruța Mare,
  • Ioan Cosmin Mihai and
  • Mircea Constantin Șcheau

1 June 2021

Specialty literature and solutions in the market have been focusing in the last decade on collecting and aggregating significant amounts of data about transactions (and user behavior) and on refining the algorithms used to identify fraud. At the same...

  • Article
  • Open Access
34 Citations
10,941 Views
15 Pages

21 December 2022

As the focus of capital market supervision, financial report fraud has shown a development trend of enormous numbers, complex transactions, and hidden means in recent years. To improve audit efficiency and reduce the dependence on non-financial data,...

  • Review
  • Open Access
267 Citations
100,199 Views
24 Pages

Financial Fraud Detection Based on Machine Learning: A Systematic Literature Review

  • Abdulalem Ali,
  • Shukor Abd Razak,
  • Siti Hajar Othman,
  • Taiseer Abdalla Elfadil Eisa,
  • Arafat Al-Dhaqm,
  • Maged Nasser,
  • Tusneem Elhassan,
  • Hashim Elshafie and
  • Abdu Saif

26 September 2022

Financial fraud, considered as deceptive tactics for gaining financial benefits, has recently become a widespread menace in companies and organizations. Conventional techniques such as manual verifications and inspections are imprecise, costly, and t...

  • Article
  • Open Access
24 Citations
12,311 Views
14 Pages

Fraud Detection Using Neural Networks: A Case Study of Income Tax

  • Belle Fille Murorunkwere,
  • Origene Tuyishimire,
  • Dominique Haughton and
  • Joseph Nzabanita

Detecting tax fraud is a top objective for practically all tax agencies in order to maximize revenues and maintain a high level of compliance. Data mining, machine learning, and other approaches such as traditional random auditing have been used in m...

  • Article
  • Open Access
1 Citations
1,936 Views
30 Pages

Interpretable Ensemble Learning Models for Credit Card Fraud Detection

  • Saria Iqbal,
  • Khalid Mahmood Awan,
  • Shahid Kamal and
  • Zahoor Ur Rehman

13 November 2025

With the growing advantages and conveniences provided by digital transactions, the financial sectors also face a loss of billions of dollars each year. While the use of credit cards has made life easier and convenient, it has also become a significan...

  • Article
  • Open Access
9 Citations
4,864 Views
23 Pages

High-Cardinality Categorical Attributes and Credit Card Fraud Detection

  • Emanuel Mineda Carneiro,
  • Carlos Henrique Quartucci Forster,
  • Lineu Fernando Stege Mialaret,
  • Luiz Alberto Vieira Dias and
  • Adilson Marques da Cunha

15 October 2022

Credit card transactions may contain some categorical attributes with large domains, involving up to hundreds of possible values, also known as high-cardinality attributes. The inclusion of such attributes makes analysis harder, due to results with p...

  • Article
  • Open Access
11 Citations
4,220 Views
38 Pages

26 September 2021

Energy fraud detection bears significantly on urban ecology. Reduced losses and power consumption would affect carbon dioxide emissions and reduce thermal pollution. Fraud detection also provides another layer of urban socio-economic correlation heat...

  • Article
  • Open Access
25 Citations
12,005 Views
20 Pages

Credit Card Fraud Detection in Card-Not-Present Transactions: Where to Invest?

  • Igor Mekterović,
  • Mladen Karan,
  • Damir Pintar and
  • Ljiljana Brkić

23 July 2021

Online shopping, already on a steady rise, was propelled even further with the advent of the COVID-19 pandemic. Of course, credit cards are a dominant way of doing business online. The credit card fraud detection problem has become relevant more than...

  • Article
  • Open Access
14 Citations
8,498 Views
19 Pages

FraudX AI: An Interpretable Machine Learning Framework for Credit Card Fraud Detection on Imbalanced Datasets

  • Nazerke Baisholan,
  • J. Eric Dietz,
  • Sergiy Gnatyuk,
  • Mussa Turdalyuly,
  • Eric T. Matson and
  • Karlygash Baisholanova

Credit card fraud detection is a critical research area due to the significant financial losses and security risks associated with fraudulent activities. This study presents FraudX AI, an ensemble-based framework addressing the challenges in fraud de...

  • Article
  • Open Access
2 Citations
4,587 Views
9 Pages

Quantum Computing in Community Detection for Anti-Fraud Applications

  • Yanbo (Justin) Wang,
  • Xuan Yang,
  • Chao Ju,
  • Yue Zhang,
  • Jun Zhang,
  • Qi Xu,
  • Yiduo Wang,
  • Xinkai Gao,
  • Xiaofeng Cao and
  • Jie Wu
  • + 1 author

27 November 2024

Fraud detection within transaction data is crucial for maintaining financial security, especially in the era of big data. This paper introduces a novel fraud detection method that utilizes quantum computing to implement community detection in transac...

  • Proceeding Paper
  • Open Access
5,351 Views
6 Pages

Detection of Bank Transaction Fraud Using Machine Learning

  • Muhammad Sami,
  • Azka Mir and
  • Gina Purnama Insany

28 August 2025

Bank transaction fraud detection has emerged as an important area of research in the economic sector, driven by the developing sophistication of fraudulent activities and the considerable economic losses they entail. This paper reviews numerous metho...

  • Systematic Review
  • Open Access
3 Citations
5,911 Views
31 Pages

A Systematic Review of Artificial Intelligence Applied to Compliance: Fraud Detection in Cryptocurrency Transactions

  • Leslie Rodríguez Valencia,
  • Maicol Jesús Ochoa Arellano,
  • Santos Andrés Gutiérrez Figueroa,
  • Carlos Mur Nuño,
  • Borja Monsalve Piqueras,
  • Ana del Valle Corrales Paredes,
  • Sergio Bemposta Rosende,
  • José Manuel López López,
  • Enrique Puertas Sanz and
  • Asaf Levi Alfaroviz

Rising financial fraud impacts industries, economies, and consumers, creating a need for advanced technological solutions. Compliance frameworks help detect and prevent illicit activities like money laundering, market manipulation, etc. However, with...

  • Article
  • Open Access
1,790 Views
27 Pages

LLM-Assisted Financial Fraud Detection with Reinforcement Learning

  • Ahmed Djalal Hacini,
  • Mohamed Benabdelouahad,
  • Ishak Abassi,
  • Sohaib Houhou,
  • Aissa Boulmerka and
  • Nadir Farhi

15 December 2025

Effective financial fraud detection requires systems that can interpret complex transaction semantics while dynamically adapting to asymmetric operational costs. We propose a hybrid framework in which a large language model (LLM) serves as an encoder...

  • Article
  • Open Access
3 Citations
3,740 Views
14 Pages

The surge in credit fraud incidents poses a critical threat to financial systems, driving the need for robust and adaptive fraud detection solutions. While various predictive models have been developed, existing approaches often struggle with two per...

  • Article
  • Open Access
3,146 Views
24 Pages

Despite the recognized importance of ethical idealism in enhancing fraud detection in the audit context, there remains limited understanding of the mediating role of conscientiousness in the relationship between auditors’ ethical idealism and f...

  • Article
  • Open Access
3 Citations
3,897 Views
25 Pages

Advanced Methodology for Fraud Detection in Energy Using Machine Learning Algorithms

  • Silviu Gresoi,
  • Grigore Stamatescu and
  • Ioana Făgărășan

19 March 2025

The increasing cost of energy and the prevalence of electricity theft pose significant financial and operational challenges for energy providers. Traditional fraud detection methods often fail to identify sophisticated unauthorized consumption, parti...

  • Article
  • Open Access
29 Citations
8,346 Views
27 Pages

Credit Card-Not-Present Fraud Detection and Prevention Using Big Data Analytics Algorithms

  • Abdul Razaque,
  • Mohamed Ben Haj Frej,
  • Gulnara Bektemyssova,
  • Fathi Amsaad,
  • Muder Almiani,
  • Aziz Alotaibi,
  • N. Z. Jhanjhi,
  • Saule Amanzholova and
  • Majid Alshammari

21 December 2022

Currently, fraud detection is employed in numerous domains, including banking, finance, insurance, government organizations, law enforcement, and so on. The amount of fraud attempts has recently grown significantly, making fraud detection critical wh...

  • Article
  • Open Access
2 Citations
4,583 Views
25 Pages

An Adaptive Unsupervised Learning Approach for Credit Card Fraud Detection

  • John Adejoh,
  • Nsikak Owoh,
  • Moses Ashawa,
  • Salaheddin Hosseinzadeh,
  • Alireza Shahrabi and
  • Salma Mohamed

Credit card fraud remains a major cause of financial loss around the world. Traditional fraud detection methods that rely on supervised learning often struggle because fraudulent transactions are rare compared to legitimate ones, leading to imbalance...

  • Article
  • Open Access
158 Citations
25,809 Views
20 Pages

A Machine Learning and Blockchain Based Efficient Fraud Detection Mechanism

  • Tehreem Ashfaq,
  • Rabiya Khalid,
  • Adamu Sani Yahaya,
  • Sheraz Aslam,
  • Ahmad Taher Azar,
  • Safa Alsafari and
  • Ibrahim A. Hameed

21 September 2022

In this paper, we address the problems of fraud and anomalies in the Bitcoin network. These are common problems in e-banking and online transactions. However, as the financial sector evolves, so do the methods for fraud and anomalies. Moreover, block...

  • Article
  • Open Access
11 Citations
7,129 Views
16 Pages

4 November 2023

The current fraud risk in digital finance is increasing year by year, and the mainstream solutions rely on the inherent characteristics of users, which makes it difficult to explain fraud behaviors and fraud behavior patterns are less researched. To...

  • Article
  • Open Access
1,028 Views
46 Pages

Wangiri Fraud Detection: A Comprehensive Approach to Unlabeled Telecom Data

  • Amirreza Balouchi,
  • Meisam Abdollahi,
  • Ali Eskandarian,
  • Kianoush Karimi Pour Kerman,
  • Elham Majd,
  • Neda Azouji and
  • Amirali Baniasadi

27 December 2025

Wangiri fraud is a pervasive telecommunications scam that exploits missed calls to lure victims into dialing premium-rate numbers, resulting in significant financial losses for operators and consumers. This paper presents a comprehensive machine lear...

  • Review
  • Open Access
31 Citations
23,227 Views
50 Pages

Online advertising is a marketing approach that uses numerous online channels to target potential customers for businesses, brands, and organizations. One of the most serious threats in today’s marketing industry is the widespread attack known...

  • Article
  • Open Access
730 Views
17 Pages

9 January 2026

Credit card fraud detection remains a critical challenge for financial institutions, particularly due to extreme class imbalance and the continuously evolving nature of fraudulent behavior. This study investigates two complementary approaches: anomal...

  • Article
  • Open Access
144 Citations
31,812 Views
27 Pages

Enhancing Credit Card Fraud Detection: An Ensemble Machine Learning Approach

  • Abdul Rehman Khalid,
  • Nsikak Owoh,
  • Omair Uthmani,
  • Moses Ashawa,
  • Jude Osamor and
  • John Adejoh

In the era of digital advancements, the escalation of credit card fraud necessitates the development of robust and efficient fraud detection systems. This paper delves into the application of machine learning models, specifically focusing on ensemble...

  • Article
  • Open Access
6 Citations
6,264 Views
35 Pages

9 December 2023

Although the most widely studied datasets in fraud-detection systems belong to the banking sector, the aviation industry is susceptible to fraud activities that seriously harm airline companies. Therefore, big airline companies have started to purcha...

  • Article
  • Open Access
7 Citations
1,177 Views
17 Pages

Objective over Architecture: Fraud Detection Under Extreme Imbalance in Bank Account Opening

  • Wenxi Sun,
  • Qiannan Shen,
  • Yijun Gao,
  • Qinkai Mao,
  • Tongsong Qi and
  • Shuo Xu

9 December 2025

Fraud in financial services—especially account opening fraud—poses major operational and reputational risks. Static rules struggle to adapt to evolving tactics, missing novel patterns and generating excessive false positives. Machine lear...

  • Article
  • Open Access
20 Citations
11,830 Views
35 Pages

Evaluating Machine Learning Algorithms for Financial Fraud Detection: Insights from Indonesia

  • Cheng-Wen Lee,
  • Mao-Wen Fu,
  • Chin-Chuan Wang and
  • Muh. Irfandy Azis

12 February 2025

The study utilized Multiple Linear Regression along with advanced classification algorithms such as Logistic Regression, K-Nearest Neighbors (KNN), Support Vector Machine (SVM), Decision Tree, and Random Forest, to detect financial statement fraud. M...

  • Article
  • Open Access
6 Citations
3,901 Views
12 Pages

Research on Fraud Detection Method Based on Heterogeneous Graph Representation Learning

  • Xuxu Zheng,
  • Chen Feng,
  • Zhiyi Yin,
  • Jinli Zhang and
  • Huawei Shen

Detecting fraudulent users in social networks could reduce online fraud and telecommunication fraud cases, which is essential to protect the lives and properties of internet users and maintain social harmony and stability. We study how to detect frau...

  • Article
  • Open Access
1,488 Views
25 Pages

13 October 2025

Medicare fraud poses a substantial challenge to healthcare systems, resulting in significant financial losses and undermining the quality of care provided to legitimate beneficiaries. This study investigates the use of machine learning (ML) to enhanc...

  • Review
  • Open Access
29 Citations
12,866 Views
17 Pages

2 December 2022

The rapid growth in e-commerce has resulted in an increasing number of people shopping online. These shoppers depend on credit cards as a payment method or use mobile wallets to pay for their purchases. Thus, credit cards have become the main payment...

  • Article
  • Open Access
5 Citations
2,754 Views
29 Pages

4 February 2025

In recent years, with the rapid development of technology and the economy, online transaction fraud has become more and more frequent. In the face of massive records of online transaction data, manual detection methods are long outdated, and machine...

  • Article
  • Open Access
7 Citations
5,551 Views
19 Pages

Expanding and Interpreting Financial Statement Fraud Detection Using Supply Chain Knowledge Graphs

  • Shanshan Zhu,
  • Tengyun Ma,
  • Haotian Wu,
  • Jifan Ren,
  • Daojing He,
  • Yubin Li and
  • Rui Ge

The relationships within a supply chain are crucial for analyzing business transactions and can reveal significant patterns in disclosed financial data. These relationships also aid in the assessment and detection of financial fraud. Recent studies e...

  • Article
  • Open Access
898 Views
28 Pages

27 November 2025

Mobile payments and e-commerce, along with credit cards, have become deeply embedded in people’s daily business and economic activities. However, the increase in transaction volume has also led to a rise in fraudulent activities. To address cha...

  • Article
  • Open Access
20 Citations
6,822 Views
36 Pages

The increasing sophistication of fraud tactics necessitates advanced detection methods to protect financial assets and maintain system integrity. Various approaches based on artificial intelligence have been proposed to identify fraudulent activities...

  • Article
  • Open Access
34 Citations
17,805 Views
26 Pages

Secure and Transparent Banking: Explainable AI-Driven Federated Learning Model for Financial Fraud Detection

  • Saif Khalifa Aljunaid,
  • Saif Jasim Almheiri,
  • Hussain Dawood and
  • Muhammad Adnan Khan

The increasing sophistication of fraud has rendered rule-based fraud detection obsolete, exposing banks to greater financial risk, reputational damage, and regulatory penalties. Financial stability, customer trust, and compliance are increasingly thr...

  • Article
  • Open Access
76 Citations
19,616 Views
43 Pages

Follow the Trail: Machine Learning for Fraud Detection in Fintech Applications

  • Branka Stojanović,
  • Josip Božić,
  • Katharina Hofer-Schmitz,
  • Kai Nahrgang,
  • Andreas Weber,
  • Atta Badii,
  • Maheshkumar Sundaram,
  • Elliot Jordan and
  • Joel Runevic

25 February 2021

Financial technology, or Fintech, represents an emerging industry on the global market. With online transactions on the rise, the use of IT for automation of financial services is of increasing importance. Fintech enables institutions to deliver serv...

  • Article
  • Open Access
694 Views
29 Pages

15 December 2025

In recent years, financial statement fraud schemes have evolved to become markedly more sophisticated and concealed, thereby posing severe threats to both social stability and economic health. Traditional detection methods, which rely primarily on fr...

  • Article
  • Open Access
1,115 Views
25 Pages

A Privacy-Preserving Approach to Health Insurance Fraud Detection Using Vertical Federated Learning

  • Raghi K R,
  • Arjun Paramarthalingam,
  • Harini Kanthan and
  • Mahalakshmi Karthiban

3 December 2025

In fraud detection, centralized approaches often face challenges related to data protection, security, and potential data breaches. Such methods require sensitive healthcare and insurance data to be pooled in one location, which increases vulnerabili...

  • Article
  • Open Access
56 Citations
9,654 Views
26 Pages

15 February 2024

This study provides a comprehensive analysis of the combination of Genetic Algorithms (GA) and XGBoost, a well-known machine-learning model. The primary emphasis lies in hyperparameter optimization for fraud detection in smart grid applications. The...

  • Article
  • Open Access
3 Citations
2,022 Views
27 Pages

HQRNN-FD: A Hybrid Quantum Recurrent Neural Network for Fraud Detection

  • Yao-Chong Li,
  • Yi-Fan Zhang,
  • Rui-Qing Xu,
  • Ri-Gui Zhou and
  • Yi-Lin Dong

27 August 2025

Detecting financial fraud is a critical aspect of modern intelligent financial systems. Despite the advances brought by deep learning in predictive accuracy, challenges persist—particularly in capturing complex, high-dimensional nonlinear featu...

  • Systematic Review
  • Open Access
4 Citations
8,450 Views
23 Pages

A Systematic Review of Machine Learning in Credit Card Fraud Detection Under Original Class Imbalance

  • Nazerke Baisholan,
  • J. Eric Dietz,
  • Sergiy Gnatyuk,
  • Mussa Turdalyuly,
  • Eric T. Matson and
  • Karlygash Baisholanova

15 October 2025

Credit card fraud remains a significant concern for financial institutions due to its low prevalence, evolving tactics, and the operational demand for timely, accurate detection. Machine learning (ML) has emerged as a core approach, capable of proces...

  • Proceeding Paper
  • Open Access
9 Citations
4,884 Views
8 Pages

25 December 2023

The proliferation of internet services in various industries, especially the financial sector, has increased financial fraud. Fraud detection and prevention are critical to protecting both individuals and organizations from significant financial loss...

  • Review
  • Open Access
1,742 Views
30 Pages

Transaction Fraud, a type of financial operational risk, remains a major threat to financial sectors and continuously imposes devastating financial impacts. This study comprehensively reviews 41 cutting-edge publications on financial transaction frau...

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