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Related papers: Mining Bad Credit Card Accounts from OLAP and OLTP

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Authenticated lateral movement via compromised accounts is a common adversarial maneuver that is challenging to discover with signature- or rules-based intrusion detection systems. In this work a behavior-based approach to detecting…

Cryptography and Security · Computer Science 2021-04-30 Brian A. Powell

The rise of digital payments has accelerated the need for intelligent and scalable systems to detect fraud. This research presents an end-to-end, feature-rich machine learning framework for detecting credit card transaction anomalies and…

A major part of the balance sheets of the largest US banks consists of credit card portfolios. Hence, managing the charge-off rates is a vital task for the profitability of the credit card industry. Different macroeconomic conditions affect…

Machine Learning · Statistics 2020-06-16 Sajjad Taghiyeh , David C Lengacher , Robert B Handfield

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

This paper takes a deep learning approach to understand consumer credit risk when e-commerce platforms issue unsecured credit to finance customers' purchase. The "NeuCredit" model can capture both serial dependences in multi-dimensional…

Risk Management · Quantitative Finance 2019-06-06 Di Wang , Qi Wu , Wen Zhang

This study critically examines the methodological rigor in credit card fraud detection research, revealing how fundamental evaluation flaws can overshadow algorithmic sophistication. Through deliberate experimentation with improper…

Machine Learning · Computer Science 2025-11-11 Khizar Hayat , Baptiste Magnier

Today, with respect to the increasing growth of demand to get credit from the customers of banks and finance and credit institutions, using an effective and efficient method to decrease the risk of non-repayment of credit given is very…

Artificial Intelligence · Computer Science 2013-12-31 Reza Mortezapour , Mehdi Afzali

Bank transaction fraud results in over $13B annual losses for banks, merchants, and card holders worldwide. Much of this fraud starts with a Point-of-Compromise (a data breach or a skimming operation) where credit and debit card digital…

Cryptography and Security · Computer Science 2020-09-25 Miguel Araujo , Miguel Almeida , Jaime Ferreira , Luis Silva , Pedro Bizarro

There is an abundance of temporal and non-temporal data in banking (and other industries), but such temporal activity data can not be used directly with classical machine learning models. In this work, we perform extensive feature…

Machine Learning · Computer Science 2016-09-09 Sandra Mitrović , Gaurav Singh

This paper provides a comprehensive examination of the evolution of credit cards in the United States, tracing their historical development, causes, consequences, and impact on both individuals and the economy. It delves into the…

Computational Engineering, Finance, and Science · Computer Science 2024-07-17 Mayowa Akinwande , Alexander Lopez , Tobi Yusuf , Austine Unuriode , Babatunde Yusuf , Toyyibat Yussuph , Stanley Okoro

The last years of the 20 th century and the beginning of the 21 th mark the facilitation trend of our real life due to the big development and progress of the computers and other intelligent devices. Algorithms based on artificial…

Cryptography and Security · Computer Science 2019-03-13 Desislav Andreev , Simona Petrakieva , Ina Taralova

Logistic Regression and Support Vector Machine algorithms, together with Linear and Non-Linear Deep Neural Networks, are applied to lending data in order to replicate lender acceptance of loans and predict the likelihood of default of…

Risk Management · Quantitative Finance 2019-07-04 Jeremy D. Turiel , Tomaso Aste

We propose a dynamical model for the estimation of Operational Risk in banking institutions. Operational Risk is the risk that a financial loss occurs as the result of failed processes. Examples of operational losses are the ones generated…

Risk Management · Quantitative Finance 2012-02-14 Marco Bardoscia , Roberto Bellotti

Identity theft is a major problem for credit lenders when there's not enough data to corroborate a customer's identity. Among super-apps large digital platforms that encompass many different services this problem is even more relevant;…

Financial fraud detection is an important problem with a number of design aspects to consider. Issues such as algorithm selection and performance analysis will affect the perceived ability of proposed solutions, so for auditors and…

Cryptography and Security · Computer Science 2016-01-07 J. West , Maumita Bhattacharya

Detecting point anomalies in bank account balances is essential for financial institutions, as it enables the identification of potential fraud, operational issues, or other irregularities. Robust statistics is useful for flagging outliers…

Machine Learning · Computer Science 2025-12-02 Federico Maddanu , Tommaso Proietti , Riccardo Crupi

As one of the most popular blockchain platforms supporting smart contracts, Ethereum has caught the interest of both investors and criminals. Differently from traditional financial scenarios, executing Know Your Customer verification on…

Social and Information Networks · Computer Science 2023-01-03 Dan Lin , Jiajing Wu , Qishuang Fu , Zibin Zheng , Ting Chen

Often the challenge associated with tasks like fraud and spam detection is the lack of all likely patterns needed to train suitable supervised learning models. This problem accentuates when the fraudulent patterns are not only scarce, they…

Machine Learning · Computer Science 2019-05-08 Utkarsh Porwal , Smruthi Mukund

Based on the analysis of $6$-digit one-time passwords(OTP) generated by DIGIPASS GO3 we were able to reconstruct the synchronisation system of the token, the OTP generating algorithm and the verification protocol in details essential for an…

Cryptography and Security · Computer Science 2015-06-23 Igor Semaev

Digital payment volume has proliferated in recent years with the rapid growth of small businesses and online shops. When processing these digital transactions, recognizing each merchant's real identity (i.e., business type) is vital to…

Machine Learning · Computer Science 2021-09-22 Chin-Chia Michael Yeh , Zhongfang Zhuang , Yan Zheng , Liang Wang , Junpeng Wang , Wei Zhang