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All Journal Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Pelita - Jurnal Penelitian Mahasiswa UNY JurTI (JURNAL TEKNOLOGI INFORMASI) Jurnal Farmasi Indonesia Jurnal Tadbir Peradaban Jurnal Atma Inovasia KONTAN: Jurnal Ekonomi, Manajemen dan Bisnis UPGRADE: Jurnal Pendidikan Teknologi Informasi JuTISI (Jurnal Teknik Informatika dan Sistem Informasi)
Tika Novita Sari
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Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Medicine & Pharmacology Social Sciences Other

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Machine Learning-Based Network Traffic Anomaly Detection Using the CIC-IDS2017 Dataset Nadhir Fachrul Rozam; Tika Novita Sari; Muhammad Resa Arif Yudianto; Dzul Fadli Rahman
Upgrade : Jurnal Pendidikan Teknologi Informasi Vol 3 No 2 (2026): Februari
Publisher : Universitas Bumigora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30812/upgrade.v3i2.6174

Abstract

The increasing volume and diversity of traffic in modern networks demand more adaptive intrusion detection approaches than traditional signature-based methods. This study aims to evaluate and compare the performance of several machine learning algorithms in detecting multi-class network traffic anomalies using the  CIC-IDS2017 dataset. The research process includes data cleaning and transformation,  class imbalance handling through random undersampling, and the implementation of five classification models: Logistic Regression, Gaussian NaïveBayes, Random Forest, K-Nearest Neighbors, and Support Vector Machine. Model performance is assessed using accuracy, precision, recall, and F1-score, supported by confusion matrix analysis and feature contribution evaluation. The results indicate that Random Forest achieves the best performance with an accuracy of 99.44% and consistently high evaluation metrics, while Gaussian Naïve Bayes shows the lowest performance. Furthermore, flow-based features are found to play a dominant role in improving classification accuracy, while misclassifications mainly occur among classes with similar traffic patterns. The findings highlight that selecting appropriate algorithms and applying effective preprocessing strategies are critical for developing more accurate and adaptive intrusion detection systems capable of addressing evolving cyber threats.
Co-Authors Andiny, Intan Suci Arih Afra Inayah Darmeinis, Darmeinis Dewi, Lucia Vita Inandha Dewita, Viora Rahma Dyah Susilowati Dzul Fadli Rahman Dzul Fadli Rahman Isjoni Isjoni Liza, Asma Masduki Zakarijah Muhammad Resa Arif Yudianto Muhammad Resa Arif Yudianto Nadhir Fachrul Rozam Nadhir Fachrul Rozam Nafngan Fitriansah Putra, Ramdani Bayu Rahmadina, Salsabilla Rahman, Dzul Fadli Tesmanto, Joni Tri Hardiyanti Tugiman ' Zaenal Mustofa Zakariah, Masduki