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ArticlePeer ReviewedOpen AccessPlagiarism Passed
Paper ID:IJSREM63647

Deep Autoencoder-Based Anomaly Detection for Financial Fraud Transactions

Stream/Area:

-

Subject:

-

Paper ID:

IJSREM63647

Volume:

10 |

5 |

May 2026

Pages:

1-7

Publication Frequency:

Monthly (12 issues per year)

DOI
Digital Object Identifier
10.55041/IJSREM63647

License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.

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Authors

TV

T Vaishnavi

CSE

Alpha College of Engineering

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Abstract

The growing adoption of digital payment platforms has led to a rise in financial fraud, creating a strong need for intelligent and flexible fraud detection techniques. Traditional rule-driven methods and supervised machine learning models frequently struggle to detect new or evolving fraud patterns because they rely heavily on labelled datasets. This study proposes an unsupervised anomaly detection approach using a deep autoencoder model to detect suspicious financial transactions. The framework is trained only with genuine transaction records so that it can capture the normal behaviour of users through compressed latent features. Fraudulent activities are detected by measuring reconstruction errors and applying a threshold determined through percentile-based analysis. Tests conducted on a real credit card transaction dataset show that the proposed method provides high recall and effective classification performance, indicating its potential for practical use in real-time financial fraud monitoring systems.

KEYWORDS

Keywords Anomaly Detection Autoencoder Fraud Detection Deep Learning Financial Transactions

Cite This Article

T Vaishnavi, "Deep Autoencoder-Based Anomaly Detection for Financial Fraud Transactions," International Journal of Scientific Research in Engineering and Management, vol. 10, no. 5, pp. 1-7, May 2026. https://doi.org/10.55041/IJSREM63647

Full Article/Conclusion

This study proposes an efficient and scalable deep learning framework for anomaly detection in financial transactions. By utilizing an unsupervised learning strategy, the model can successfully detect fraudulent activities without the need for labelled training data. Experimental results demonstrate the effectiveness of the proposed approach and its suitability for deployment in practical financial fraud detection environments. Future enhancements of this work may include: ·                  Hybrid Detection Models: Combining autoencoder-based anomaly detection with supervised learning techniques to further improve detection accuracy. ·                  Real-Time Fraud Monitoring: Extending the framework to support real-time transaction analysis and streaming fraud detection systems. ·                  Graph-Based Fraud Analysis: Integrating graph learning methods to capture hidden relationships and complex fraud networks among transactions.

References

1. Goodfellow, I., Bengio, Y., & Courville, A. (2016). Deep learning. MIT Press. 2. Chandola, V., Banerjee, A., & Kumar, V. (2009). Anomaly detection: A survey. ACM Computing Surveys, 41(3), 1–58. 3. West, J., & Bhattacharya, M. (2016). Intelligent financial fraud detection: A comprehensive review. IEEE Systems Journal, 11(4), 1–12. 4. Kaggle. (n.d.). Credit card fraud detection dataset. Retrieved from https://www.kaggle.com/datasets 5. Vincent, P., Larochelle, H., Lajoie, I., Bengio, Y., & Manzagol, P. A. (2010). Stacked denoising autoencoders: Learning useful representations in a deep network with a local denoising criterion. Journal of Machine Learning Research, 11, 3371–3408.

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Publication Date

5/21/2026

Peer Review Type

Double-Blind Peer Review

Review Rounds: 2

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