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Credit card fraud has become one of the most critical issues in the financial sector due
to the increasing volume of digital transactions. Fraudulent activities not only lead to
major monetary losses for banks and customers but also reduce trust in online
payment systems. This project presents a Credit Card Fraud Detection System that
uses machine learning algorithms to identify fraudulent transactions. The dataset used
in this project work is highly imbalanced, with very few fraudulent cases compared
to genuine ones. To address this challenge, data preprocessing techniques such as
resampling, feature scaling, and normalization Itre applied. Several machine learning
models, including Logistic Regression, Decision Tree, Random Forest, and Gradient
Boosting, Performance was measured using precision, recall, F1score, and AUCROC
curve. The experimental results show that ensemble models provide better
performance and higher fraud detection rates than traditional models. The proposed
system achieves high accuracy and precision, reducing false positives and ensuring
secure financial transactions. It highlights the potential of machine learning in
strengthening fraud prevention mechanisms and can be applied to real-world banking
systems for enhanced security
"Credit Card Fraud Detection Using machine Learning", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2456-3315, Vol.11, Issue 3, page no.b167-b196, March-2026, Available :http://www.ijrti.org/papers/IJRTI2603123.pdf
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2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator