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20 results for “Anomaly detection techniques”

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cs.CRcs.LGcs.NIRecentApr 20, 2026

Enhancing Anomaly-Based Intrusion Detection Systems with Process Mining

Francesco Vitale, Francesco Grimaldi, Massimiliano Rak, Nicola Mazzocca

This paper enhances anomaly-based Intrusion Detection Systems by integrating process mining to provide detailed, process-based explanations and severity ratings for detected network anomalies.

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cs.CRRecentMar 30, 2026

Interpretable Ensemble Learning for Network Traffic Anomaly Detection: A SHAP-based Explainable AI Framework for Embedded Systems Security

Wanru Shao

The paper proposes an ensemble learning framework combined with SHAP-based Explainable AI (XAI) to achieve robust and interpretable anomaly detection for network traffic in embedded systems.

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cs.CRcs.NIRecentApr 25, 2026

Advanced Anomaly Detection and Threat Intelligence in Zero Trust IoT Environments Using Machine Learning

Muhammad Umair Basharat, Jawad Hussain, Waqas Khalid, Chiew Foong Kwong

This paper enhances anomaly detection and threat intelligence in Zero Trust IoT environments by applying and comparing various machine learning classifiers, notably using SMOTE to improve accuracy on…

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cs.LGcs.AIRecentMay 31, 2026

ChronosAD: Leveraging Time Series Foundation Models for Accurate Anomaly Detection

Uzair Khan, Luigi Capogrosso, Francesco Biondani, Michele Magno +3 more

ChronosAD introduces a novel architecture that uses time series foundation models and a custom Temporal Block to achieve robust and highly accurate anomaly detection across diverse domains.

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cs.AIcs.CEcs.ETEmpiricalRecentJul 23, 2026

Unsupervised Consensus-Based Anomaly Detection for Spatiotemporal Malaria Incidence in Ghana

T. Ansah-Narh, Y. Asare Afrane

A consensus anomaly detection framework was used to identify atypical malaria transmission patterns in Ghana (2014-2023), revealing spatial distinctions between anomaly burden and frequency.

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cs.CRcs.LGRecentApr 14, 2026

Anomaly Detection in IEC-61850 GOOSE Networks: Evaluating Unsupervised and Temporal Learning for Real-Time Intrusion Detection

Joseph Moore

This paper evaluates unsupervised temporal learning models, specifically recurrent autoencoders, for real-time anomaly detection in vulnerable IEC-61850 GOOSE networks, demonstrating that the GRU mode…

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cs.CRcs.LGRecentMay 8, 2026

GRASP -- Graph-Based Anomaly Detection Through Self-Supervised Classification

Robin Buchta, Carsten Kleiner, Felix Heine, Gabi Dreo Rodosek

GRASP introduces a novel graph-based anomaly detection system that uses masked self-supervised classification on process provenance graphs to robustly identify unknown and unknown-unknown anomalous be…

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cs.LGcs.AIRecentMay 28, 2026

Masked Diffusion Modeling for Anomaly Detection

Lixing Zhang, Yuchen Liang, Liyan Xie

The paper proposes MaskDiff-AD, a forward-only masked diffusion model trained on nominal data to achieve state-of-the-art anomaly detection across various categorical, mixed-type, and text datasets.

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cs.CVcs.AIcs.CLEmpiricalRecentJul 20, 2026

O-VAD: Industrial Video Anomaly Detection through Object-Centric Tracking and Reasoning

Mei Yuan, Qi Long, Qifeng Wu, Zhenyang Li +4 more

This paper introduces an agentic framework for industrial video anomaly detection, capable of tracking spatial-temporal dynamics and underlying transformations of objects to identify abnormalities.

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cs.CRRecentMar 26, 2026

Understanding AI Methods for Intrusion Detection and Cryptographic Leakage

Reza Zilouchian, Michael Chavez, Fernando Koch

The paper evaluates AI's effectiveness in detecting network intrusions and cryptographic side-channel leakage, finding high accuracy in stable environments but performance degradation with novel traff…

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cs.CRRecentMay 6, 2026

Assessing Generalisation Capability of Machine Learning Models for Intrusion Detection

Md Zakir Hossain, Md Ayshik Rahman Khan, Md Rafiqul Islam, Syed Mohammed Shamsul Islam +1 more

The study assesses the generalization capability of supervised machine learning models for intrusion detection using UNSW-NB15 and TON_IoT, finding a significant performance drop when models are teste…

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cs.CRcs.AIcs.LGRecentMay 29, 2026

Improving IoT Intrusion Detection Through SMOTE-Based Oversampling and Extended Multi-Model Evaluation on Side-Channel Power Data

Muhammad Khuram Shahzad, Haseeb Khan, Muhammad Masood Khan, Mubashra Bibi

This paper improves IoT intrusion detection by addressing severe class imbalance using SMOTE and evaluating eight machine learning models, finding that Random Forest and Extra Trees achieve high perfo…

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cs.CRcs.AIcs.LGRecentMay 29, 2026

Improving IoT Intrusion Detection Through SMOTE-Based Oversampling and Extended Multi-Model Evaluation on Side-Channel Power Data

Muhammad Khuram Shahzad, Haseeb Khan, Muhammad Masood Khan, Mubashra Bibi

This paper improves IoT intrusion detection by addressing severe class imbalance using SMOTE and comparing the performance of multiple machine learning models on side-channel power data, showing Rando…

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cs.CRRecentApr 7, 2026

Towards Securing IIoT: An Innovative Privacy-Preserving Anomaly Detector Based on Federated Learning

Samira Kamali Poorazad, Chafika Benzaïd, Tarik Taleb

The paper proposes a novel Federated Learning framework combined with Homomorphic Encryption and a dynamic agent selection scheme to enhance privacy and efficiency for anomaly detection in the Industr…

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cs.CRcs.LGRecentJun 1, 2026

IstGPT: LLM-based Anomaly Detection for Spatial-Temporal Graph in Industrial Systems

Yuchen Zhang, Ning Xi, Pengbin Feng, Shigang Liu +4 more

IstGPT introduces a novel LLM-based framework for real-time, fine-grained anomaly detection in complex industrial cyber-physical systems, achieving state-of-the-art performance across multiple benchma…

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cs.CVEmpiricalRecentJun 12, 2026

Value-order Decomposition for Generalist Anomaly Detection

Miaoyun Zhao, Jing Chen, Miaoni Zhao, Qiang Zhang

The paper proposes Value-order Decomposition (VOD) to address the challenge of cross-domain generalization in industrial anomaly detection by disentangling and suppressing object-category-, defect-typ…

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cs.CRcs.CYEmpiricalRecentJun 12, 2026

Detecting Bot Detection: Prevalence, Techniques, and Implications for Web Measurement Research

Ralf Gundelach, Michael Mühlhauser, Dominik Herrmann

This paper measures the prevalence and techniques of bot detection on 10,000 websites, finding that 82% of blocks are caused by bot detection and 75% of Chromium-headless-only blocks are caused by hea…

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cs.CVcs.AIcs.LGRecentJun 1, 2026

A Structured Benchmark for Text-Guided Anomaly Detection: When Language Stops Conditioning the Decision

Stefano Samele, Eugenio Lomurno, Teodora Jovanovic, Sanjay Shivakumar Manohar +2 more

The paper introduces a structured benchmark (TGAD) showing that current text-guided anomaly detection models often overstate their language conditioning, as performance significantly degrades when the…

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cs.LGcs.CRRecentMar 23, 2026

In-network Attack Detection with Federated Deep Learning in IoT Networks: Real Implementation and Analysis

Devashish Chaudhary, Sutharshan Rajasegarar, Shiva Raj Pokhrel, Lei Pan +1 more

This paper proposes and evaluates a federated deep learning framework using autoencoders for lightweight, privacy-preserving, and scalable real-time anomaly detection in resource-constrained IoT netwo…

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cs.CRRecentApr 23, 2026

On the Challenges of Holistic Intrusion Detection in ICS

Stefan Lenz, Julia Raab, Benedikt Holzbach, Deniz Köller +2 more

This paper discusses the significant challenges in developing a holistic intrusion detection system for Industrial Control Systems (ICS) that must cover all operational dimensions.

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