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Paper ID:IJSREM68633

Behaviour-Based Machine Learning Framework for Detecting Anomalous Network Activities

Stream/Area:

-

Subject:

-

Paper ID:

IJSREM68633

Volume:

10 |

10 |

Oct 2026

Pages:

1-4

Publication Frequency:

Monthly (12 issues per year)

DOI
Digital Object Identifier
10.55041/IJSREM68633

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

SSS

Sejal Sharad Shirole

Master's of Computer Application

Jaihind Institute of Management & Research , Kuran

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DBL

Dyaneshwar Balu Lokhande

Master's of Computer Application

Jaihind Institute of Management & Research , Kuran

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Abstract

The increasing complexity of cyber threats has created a need for intelligent network security systems capable of identifying malicious activities that evade traditional signature-based detection mechanisms. Conventional intrusion detection systems primarily depend on predefined rules and known attack signatures, limiting their effectiveness against previously unseen threats and evolving attack behaviours. This paper proposes a behaviour-based machine learning framework for detecting anomalous network activities through the analysis of network traffic patterns and communication characteristics. The proposed framework combines statistical traffic feature extraction, behavioural profiling, unsupervised anomaly detection, and supervised classification to identify suspicious network activities. Isolation Forest and Autoencoder models are considered for detecting deviations from normal traffic behaviour, while Random Forest is used to classify identified activities when labelled data are available. The framework incorporates adaptive anomaly thresholds and interpretable feature-based explanations to improve detection reliability and operational usability. The proposed approach is designed for evaluation using benchmark datasets such as UNSW-NB15 and CICIDS2017. Performance will be assessed using precision, recall, F1-score, false positive rate, and detection latency. The framework aims to support proactive network security by identifying unusual communication patterns, reducing dependence on known attack signatures, and enabling timely investigation of potential threats.

KEYWORDS

Network Security Machine Learning Behaviour-Based Detection Anomaly Detection Intrusion Detection System Isolation Forest Autoencoder Random Forest.

Cite This Article

Sejal Sharad Shirole, Dyaneshwar Balu Lokhande, "Behaviour-Based Machine Learning Framework for Detecting Anomalous Network Activities," International Journal of Scientific Research in Engineering and Management, vol. 10, no. 10, pp. 1-4, Oct 2026. https://doi.org/10.55041/IJSREM68633

Full Article/Conclusion

This paper proposes a behaviour-based machine learning framework for detecting anomalous network activities. By combining behavioural feature extraction, Isolation Forest, Autoencoder, Random Forest, adaptive thresholding, and interpretable alerts, the framework aims to address limitations of conventional signature-based intrusion detection systems. The proposed research will evaluate the framework using established network intrusion datasets and standard performance metrics. The findings are expected to contribute to the development of more adaptive, interpretable, and effective network anomaly detection systems.

References

[1] M. A. A. K. A. et al., “A Review on Machine Learning Approaches for Network Malicious Behavior Detection in Emerging Technologies,” [Journal article], 2021. [Online]. Available: https://pmc.ncbi.nlm.nih.gov/articles/PMC8145138/ [2] “Flow-Level Statistical Fingerprinting for Unsupervised Network Intrusion Detection,” Lusófona University Research Repository. [Online]. Available: https://research.ulusofona.pt/en/publications/flow-level-statistical-fingerprinting-for-unsupervised-network-in/ [3] S. Choi, S. Kim, and J. Ryu, “A Survey of Deep Learning-Based Network Anomaly Detection: Benchmarking on NSL-KDD, UNSW-NB15, and CICIDS2017,” IEIE Transactions on Smart Processing and Computing, vol. 15, no. 3, pp. 410–425, 2026, doi: 10.5573/IEIESPC.2026.15.3.410. [4] N. Moustafa and J. Slay, “UNSW-NB15: A comprehensive data set for network intrusion detection systems,” in 2015 Military Communications and Information Systems Conference (MilCIS), 2015. [5] I. Sharafaldin, A. H. Lashkari, and A. A. Ghorbani, “Toward generating a new intrusion detection dataset and intrusion traffic characterization,” in Proceedings of the International Conference on Information Systems Security and Privacy (ICISSP), 2018, pp. 108–116.  

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Publication Date

10/31/2026

Peer Review Type

Double-Blind Peer Review

Review Rounds: 2

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