Designing An Intelligent Intrusion Detection System (Ids) Using Neural Networks To Detect Zero-Day Threats

Authors

  • Qayssar Al-Omairi Department of Computer Engineering, College of Engineering, University of Diyala, Baquba 32001, Iraqcaser.
  • Akram Hatem Saber Al Hikma University College, Baghdad, Iraq.
  • Haider Hadi Abbas Mansour University College.
  • Munther Hameed Mohammed Ameen Middle Technical University.
  • Alaa Raad Salman Al-Esraa University.

DOI:

https://doi.org/10.29284/z8c6cq50

Keywords:

Zero-Day Attacks, Intrusion Detection Systems, Autoencoder, Random Forest, Anomaly Detection, Machine Learning.

Abstract

The ever-growing speed of developing the network infrastructures, along with an unparalleled growth of the load of traffic flows and their complexity, has made the systems vulnerable to the advanced cyber threats. Among such, zero-day attacks present one of the most severe threats to the security requirements of a particular cybersecurity environment, being based on new vulnerabilities that may resist the signature-based defense mechanisms. The conventional intrusion detection systems (IDS) are usually unable to scale, support high-dimensional traffic, and generalize thus proving inefficient in dynamic and real-life situations.

In an attempt to overcome these issues, this research paper presents an ensemble-based intrusion detection model that will combine an autoencoder neural network and a Random Forest classifier. The suggested methodology is tested on large-scale, heterogeneous network traffic data which consists of millions of records constituting various types of attacks.

results show that the ensemble model is almost optimal and has almost 99 percent accuracy, precision, recall and F1-score of known attacks. Furthermore, when training the model to zero-day attacks in which a specific set of attack types is omitted during the training process the model still has high recall (95-97%).

References

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Published

2026-03-09

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Section

Articles

How to Cite

[1]
Q. Al-Omairi, A. H. Saber, H. H. Abbas, M. H. M. Ameen, and A. R. Salman, “Designing An Intelligent Intrusion Detection System (Ids) Using Neural Networks To Detect Zero-Day Threats”, IJASIS, pp. 1315–1326, Mar. 2026, doi: 10.29284/z8c6cq50.

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