Search Results for author: Siamak Layeghy

Found 20 papers, 3 papers with code

DOC-NAD: A Hybrid Deep One-class Classifier for Network Anomaly Detection

no code implementations15 Dec 2022 Mohanad Sarhan, Gayan Kulatilleke, Wai Weng Lo, Siamak Layeghy, Marius Portmann

Therefore, this paper proposes a Deep One-Class (DOC) classifier for network intrusion detection by only training on benign network data samples.

Network Intrusion Detection One-Class Classification +1

DI-NIDS: Domain Invariant Network Intrusion Detection System

no code implementations15 Oct 2022 Siamak Layeghy, Mahsa Baktashmotlagh, Marius Portmann

In order to enhance the generalisibility of machine learning based network intrusion detection systems, we propose to extract domain invariant features using adversarial domain adaptation from multiple network domains, and then apply an unsupervised technique for recognising abnormalities, i. e., intrusions.

Domain Adaptation Network Intrusion Detection

Network Intrusion Detection System in a Light Bulb

no code implementations6 Oct 2022 Liam Daly Manocchio, Siamak Layeghy, Marius Portmann

Internet of Things (IoT) devices are progressively being utilised in a variety of edge applications to monitor and control home and industry infrastructure.

Network Intrusion Detection

Anomal-E: A Self-Supervised Network Intrusion Detection System based on Graph Neural Networks

1 code implementation14 Jul 2022 Evan Caville, Wai Weng Lo, Siamak Layeghy, Marius Portmann

This paper investigates Graph Neural Networks (GNNs) application for self-supervised network intrusion and anomaly detection.

Anomaly Detection Network Intrusion Detection

On Generalisability of Machine Learning-based Network Intrusion Detection Systems

no code implementations9 May 2022 Siamak Layeghy, Marius Portmann

Our investigation also indicates that overall, unsupervised learning methods generalise better than supervised learning models in our considered scenarios.

BIG-bench Machine Learning Network Intrusion Detection

HBFL: A Hierarchical Blockchain-based Federated Learning Framework for a Collaborative IoT Intrusion Detection

no code implementations8 Apr 2022 Mohanad Sarhan, Wai Weng Lo, Siamak Layeghy, Marius Portmann

The continuous strengthening of the security posture of IoT ecosystems is vital due to the increasing number of interconnected devices and the volume of sensitive data shared.

Federated Learning Intrusion Detection

Inspection-L: Self-Supervised GNN Node Embeddings for Money Laundering Detection in Bitcoin

no code implementations20 Mar 2022 Wai Weng Lo, Gayan K. Kulatilleke, Mohanad Sarhan, Siamak Layeghy, Marius Portmann

The proposed method was evaluated on the Elliptic dataset and shows that our approach outperforms the state-of-the-art in terms of key classification metrics, which demonstrates the potential of self-supervised GNN in the detection of illicit cryptocurrency transactions.

A Cyber Threat Intelligence Sharing Scheme based on Federated Learning for Network Intrusion Detection

no code implementations4 Nov 2021 Mohanad Sarhan, Siamak Layeghy, Nour Moustafa, Marius Portmann

The framework has been designed and evaluated in this paper by using two key datasets in a NetFlow format known as NF-UNSW-NB15-v2 and NF-BoT-IoT-v2.

Federated Learning Network Intrusion Detection

Exploring Deep Neural Networks on Edge TPU

no code implementations17 Oct 2021 Seyedehfaezeh Hosseininoorbin, Siamak Layeghy, Brano Kusy, Raja Jurdak, Marius Portmann

Based on the use of a joint-time-frequency data representation, also known as spectrogram, we explore the trade-off between classification performance and the energy consumed for inference.

From Zero-Shot Machine Learning to Zero-Day Attack Detection

no code implementations30 Sep 2021 Mohanad Sarhan, Siamak Layeghy, Marcus Gallagher, Marius Portmann

The standard ML methodology assumes that the test samples are derived from a set of pre-observed classes used in the training phase.

Attribute BIG-bench Machine Learning +2

Feature Analysis for Machine Learning-based IoT Intrusion Detection

no code implementations29 Aug 2021 Mohanad Sarhan, Siamak Layeghy, Marius Portmann

This demonstrates a significant potential to reduce the computational and storage cost of intrusion detection systems while maintaining near-optimal detection accuracy.

Computational Efficiency feature selection +1

Feature Extraction for Machine Learning-based Intrusion Detection in IoT Networks

no code implementations28 Aug 2021 Mohanad Sarhan, Siamak Layeghy, Nour Moustafa, Marcus Gallagher, Marius Portmann

In an analysis of related works, it was observed that most researchers aim to obtain better classification results by using a set of untried combinations of Feature Reduction (FR) and Machine Learning (ML) techniques on NIDS datasets.

BIG-bench Machine Learning Network Intrusion Detection

Benchmarking the Benchmark -- Analysis of Synthetic NIDS Datasets

no code implementations19 Apr 2021 Siamak Layeghy, Marcus Gallagher, Marius Portmann

Our results show that the two real-world datasets are quite similar among themselves in regards to most of the considered statistical features.

Benchmarking Network Intrusion Detection

Evaluating Standard Feature Sets Towards Increased Generalisability and Explainability of ML-based Network Intrusion Detection

no code implementations15 Apr 2021 Mohanad Sarhan, Siamak Layeghy, Marius Portmann

Therefore, two feature sets (NetFlow and CICFlowMeter) have been evaluated in terms of detection accuracy across three key datasets, i. e., CSE-CIC-IDS2018, BoT-IoT, and ToN-IoT.

BIG-bench Machine Learning Network Intrusion Detection

Exploring Edge TPU for Network Intrusion Detection in IoT

no code implementations30 Mar 2021 Seyedehfaezeh Hosseininoorbin, Siamak Layeghy, Mohanad Sarhan, Raja Jurdak, Marius Portmann

The focus of this paper is the exploration of deep learning-based NIDS at the edge of IoT, and in particular the computational and energy efficiency.

Network Intrusion Detection Traffic Classification

Deep Learning-based Cattle Activity Classification Using Joint Time-frequency Data Representation

no code implementations6 Nov 2020 Seyedeh Faezeh Hosseini Noorbin, Siamak Layeghy, Brano Kusy, Raja Jurdak, Greg Bishop-hurley, Marius Portmann

The key results of this paper is that the joint time-frequency data representation, even when used in conjunction with a relatively basic neural network classifier, can outperform the best cattle activity classifiers reported in the literature.

General Classification

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