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This paper investigates Graph Neural Networks (GNNs) application for self-supervised network intrusion and anomaly detection. GNNs are a deep learning approach for graph-based data that incorporate graph structures into learning to…

Machine Learning · Computer Science 2023-02-10 Evan Caville , Wai Weng Lo , Siamak Layeghy , Marius Portmann

Ensuring the security of cloud environments is imperative for sustaining organizational growth and operational efficiency. As the ubiquity of cloud services continues to rise, the inevitability of cyber threats underscores the importance of…

Networking and Internet Architecture · Computer Science 2024-09-20 Revital Marbel , Yanir Cohen , Ran Dubin , Amit Dvir , Chen Hajaj

To protect an organizations' endpoints from sophisticated cyberattacks, advanced detection methods are required. In this research, we present GCNetOmaly: a graph convolutional network (GCN)-based variational autoencoder (VAE) anomaly…

Cryptography and Security · Computer Science 2023-12-01 Yizhak Vaisman , Gilad Katz , Yuval Elovici , Asaf Shabtai

Connected cars are susceptible to cyberattacks. Security and safety of future vehicles highly depend on a holistic protection of automotive components, of which the time-sensitive backbone network takes a significant role. These onboard…

Networking and Internet Architecture · Computer Science 2024-05-03 Philipp Meyer , Timo Häckel , Teresa Lübeck , Franz Korf , Thomas C. Schmidt

Over the last two decades, a lot of work has been done in improving network security, particularly in intrusion detection systems (IDS) and anomaly detection. Machine learning solutions have also been employed in IDSs to detect known and…

Cryptography and Security · Computer Science 2022-03-22 Sankha Das

Connected vehicles are threatened by cyber-attacks as in-vehicle networks technologically approach (mobile) LANs with several wireless interconnects to the outside world. Malware that infiltrates a car today faces potential victims of…

Networking and Internet Architecture · Computer Science 2024-10-22 Philipp Meyer , Timo Häckel , Sandra Reider , Franz Korf , Thomas C. Schmidt

This study proposes a risk pricing anomaly detection method for social network user portraits based on graph neural networks (GNNs), aiming to improve the ability to identify abnormal users in social network environments. In view of the…

Machine Learning · Computer Science 2025-03-26 Yiwei Zhang

Monitoring traffic in computer networks is one of the core approaches for defending critical infrastructure against cyber attacks. Machine Learning (ML) and Deep Neural Networks (DNNs) have been proposed in the past as a tool to identify…

Machine Learning · Computer Science 2022-03-01 Daniel L. Marino , Chathurika S. Wickramasinghe , Craig Rieger , Milos Manic

In light of rising cybersecurity threats, data center providers face growing pressure to protect their own management infrastructure from Distributed Denial-of-Service (DDoS) attacks. While tenant-managed cages generally fall outside the…

Cryptography and Security · Computer Science 2026-03-17 Kartikeya Sharma , Craig Jacobik

In this paper, we propose a novel hybrid deep learning architecture that synergistically combines Graph Neural Networks (GNNs), Recurrent Neural Networks (RNNs), and multi-head attention mechanisms to significantly enhance cybersecurity…

Cryptography and Security · Computer Science 2025-10-31 Jayant Biradar , Smit Shah , Tanmay Naik

Graph Anomaly Detection (GAD) is a technique used to identify abnormal nodes within graphs, finding applications in network security, fraud detection, social media spam detection, and various other domains. A common method for GAD is Graph…

Machine Learning · Computer Science 2025-01-28 Amit Roy , Juan Shu , Jia Li , Carl Yang , Olivier Elshocht , Jeroen Smeets , Pan Li

Recently, there has been a substantial amount of interest in GNN-based anomaly detection. Existing efforts have focused on simultaneously mastering the node representations and the classifier necessary for identifying abnormalities with…

Cryptography and Security · Computer Science 2024-09-25 Ahmad Hafez

Due to the veracity and heterogeneity in network traffic, detecting anomalous events is challenging. The computational load on global servers is a significant challenge in terms of efficiency, accuracy, and scalability. Our primary…

Machine Learning · Computer Science 2023-03-15 William Marfo , Deepak K. Tosh , Shirley V. Moore

Anomaly detection is a critical task in cybersecurity, where identifying insider threats, access violations, and coordinated attacks is essential for ensuring system resilience. Graph-based approaches have become increasingly important for…

Cryptography and Security · Computer Science 2026-03-31 Laura Jiang , Reza Ryan , Qian Li , Nasim Ferdosian

Anomaly event detection is crucial for critical infrastructure security(transportation system, social-ecological sector, insurance service, government sector etc.) due to its ability to reveal and address the potential cyber-threats in…

Social and Information Networks · Computer Science 2021-04-20 Yipeng Ji , Jingyi Wang , Shaoning Li , Yangyang Li , Shenwen Lin , Xiong Li

The early research report explores the possibility of using Graph Neural Networks (GNNs) for anomaly detection in internet traffic data enriched with information. While recent studies have made significant progress in using GNNs for anomaly…

Social and Information Networks · Computer Science 2024-05-24 Anasuya Chattopadhyay , Daniel Reti , Hans D. Schotten

Network-on-Chip (NoC) enables on-chip communication between diverse cores in modern System-on-Chip (SoC) designs. With its shared communication fabric, NoC has become a focal point for various security threats, especially in heterogeneous…

Cryptography and Security · Computer Science 2025-05-22 Hansika Weerasena , Xiaoguo Jia , Prabhat Mishra

Deep neural networks (DNNs) have been found vulnerable to backdoor attacks, raising security concerns about their deployment in mission-critical applications. There are various approaches to detect backdoor attacks, however they all make…

Machine Learning · Computer Science 2024-04-09 Haoyu Jiang , Haiyang Yu , Nan Li , Ping Yi

Protecting the networks of tomorrow is set to be a challenging domain due to increasing cyber security threats and widening attack surfaces created by the Internet of Things (IoT), increased network heterogeneity, increased use of…

Cryptography and Security · Computer Science 2020-03-10 Jordan Lam , Robert Abbas

The escalating complexity of network threats and the inherent class imbalance in traffic data present formidable challenges for modern Intrusion Detection Systems (IDS). While Graph Neural Networks (GNNs) excel in modeling topological…

Machine Learning · Computer Science 2026-04-15 Tianxiang Xu , Zhichao Wen , Xinyu Zhao , Qi Hu , Yan Li , Chang Liu
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