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We evaluate adversarial robustness in tabular machine learning models used in financial decision making. Using credit scoring and fraud detection data, we apply gradient based attacks and measure impacts on discrimination, calibration, and…

Machine Learning · Computer Science 2025-12-19 Samruddhi Baviskar

Methods from machine learning are being applied to design Industrial Control Systems resilient to cyber-attacks. Such methods focus on two major areas: the detection of intrusions at the network-level using the information acquired through…

Cryptography and Security · Computer Science 2022-02-25 Muhammad Azmi Umer , Khurum Nazir Junejo , Muhammad Taha Jilani , Aditya P. Mathur

Deep learning is an advanced model of traditional machine learning. This has the capability to extract optimal feature representation from raw input samples. This has been applied towards various use cases in cyber security such as…

Cryptography and Security · Computer Science 2019-01-31 Mohammed Harun Babu R , Vinayakumar R , Soman KP

With the rapid development of e-commerce, e-commerce platforms are facing an increasing number of fraud threats. Effectively identifying and preventing these fraudulent activities has become a critical research problem. Traditional fraud…

Machine Learning · Computer Science 2025-03-25 Xuan Li , Yuting Peng , Xiaoxuan Sun , Yifei Duan , Zhou Fang , Tengda Tang

Deep learning adoption in the financial services industry has been limited due to a lack of model interpretability. However, several techniques have been proposed to explain predictions made by a neural network. We provide an initial…

Machine Learning · Computer Science 2018-12-04 Ceena Modarres , Mark Ibrahim , Melissa Louie , John Paisley

The rise of digital payments has caused consequential changes in the financial crime landscape. As a result, traditional fraud detection approaches such as rule-based systems have largely become ineffective. AI and machine learning…

Cryptography and Security · Computer Science 2021-03-05 E. Kurshan , H. Shen

This study emphasizes how crucial it is to visualize machine learning models, especially for the banking industry, in order to improve interpretability and support predictions in high stakes financial settings. Visual tools enable…

Machine Learning · Computer Science 2025-02-24 Priyam Ganguly , Ramakrishna Garine , Isha Mukherjee

Using machine learning models to generate synthetic data has become common in many fields. Technology to generate synthetic transactions that can be used to detect fraud is also growing fast. Generally, this synthetic data contains only…

Machine Learning · Computer Science 2023-06-30 Shuo Wang , Terrence Tricco , Xianta Jiang , Charles Robertson , John Hawkin

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

Deep learning (DL) algorithms are considered as a methodology of choice for remote-sensing image analysis over the past few years. Due to its effective applications, deep learning has also been introduced for automatic change detection and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Lazhar Khelifi , Max Mignotte

This survey paper categorises, compares, and summarises from almost all published technical and review articles in automated fraud detection within the last 10 years. It defines the professional fraudster, formalises the main types and…

Artificial Intelligence · Computer Science 2019-04-03 Clifton Phua , Vincent Lee , Kate Smith , Ross Gayler

Automated signature verification is a critical biometric technique used in banking, identity authentication, and legal documentation. Despite the notable progress achieved by deep learning methods, most approaches in offline signature…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Matheus Ramos Parracho

This study explores the application of anomaly detection (AD) methods in imbalanced learning tasks, focusing on fraud detection using real online credit card payment data. We assess the performance of several recent AD methods and compare…

Machine Learning · Computer Science 2023-12-22 Hugo Thimonier , Fabrice Popineau , Arpad Rimmel , Bich-Liên Doan , Fabrice Daniel

Software vulnerability detection is critical in software security because it identifies potential bugs in software systems, enabling immediate remediation and mitigation measures to be implemented before they may be exploited. Automatic…

Software Engineering · Computer Science 2023-06-21 Nima Shiri Harzevili , Alvine Boaye Belle , Junjie Wang , Song Wang , Zhen Ming , Jiang , Nachiappan Nagappan

This paper presents a novel approach to e-commerce payment fraud detection by integrating reinforcement learning (RL) with Large Language Models (LLMs). By framing transaction risk as a multi-step Markov Decision Process (MDP), RL optimizes…

Machine Learning · Computer Science 2025-09-24 Bo Qu , Zhurong Wang , Daisuke Yagi , Zhen Xu , Yang Zhao , Yinan Shan , Frank Zahradnik

Malware detection has become a major concern due to the increasing number and complexity of malware. Traditional detection methods based on signatures and heuristics are used for malware detection, but unfortunately, they suffer from poor…

Cryptography and Security · Computer Science 2023-08-21 Tristan Bilot , Nour El Madhoun , Khaldoun Al Agha , Anis Zouaoui

Graph-based Neural Networks (GNNs) are recent models created for learning representations of nodes (and graphs), which have achieved promising results when detecting patterns that occur in large-scale data relating different entities. Among…

Machine Learning · Computer Science 2021-08-20 Ronald D. R. Pereira , Fabrício Murai

With the development of the financial industry, credit default prediction, as an important task in financial risk management, has received increasing attention. Traditional credit default prediction methods mostly rely on machine learning…

Risk Management · Quantitative Finance 2024-12-25 Yuhan Wang , Zhen Xu , Yue Yao , Jinsong Liu , Jiating Lin

Credit card fraud is a major issue nowadays, costing huge money and affecting trust in financial systems. Traditional fraud detection methods often fail to detect advanced and growing fraud techniques. This study focuses on using Graph…

Cryptography and Security · Computer Science 2025-04-01 Irin Sultana , Syed Mustavi Maheen , Naresh Kshetri , Md Nasim Fardous Zim

We explore the use of deep learning hierarchical models for problems in financial prediction and classification. Financial prediction problems -- such as those presented in designing and pricing securities, constructing portfolios, and risk…

Machine Learning · Computer Science 2018-01-16 J. B. Heaton , N. G. Polson , J. H. Witte