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Domain adaptive detection aims to improve the generality of a detector, learned from the labeled source domain, on the unlabeled target domain. In this work, drawing inspiration from the concept of stability from the control theory that a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Wenzhang Zhou , Heng Fan , Tiejian Luo , Libo Zhang

Network intrusion detection, a well-explored cybersecurity field, has predominantly relied on supervised learning algorithms in the past two decades. However, their limitations in detecting only known anomalies prompt the exploration of…

Cryptography and Security · Computer Science 2025-10-06 Hamed Fard , Tobias Schalau , Gerhard Wunder

The rapid expansion of Industrial IoT (IIoT) systems has amplified security challenges, as heterogeneous devices and dynamic traffic patterns increase exposure to sophisticated and previously unseen cyberattacks. Traditional intrusion…

Cryptography and Security · Computer Science 2026-03-02 Wei Lian , Alejandro Guerra-Manzanares

Anomaly detection systems aim to detect and report attacks or unexpected behavior in networked systems. Previous work has shown that anomalies have an impact on system performance, and that performance signatures can be effectively used for…

The rapid expansion of the Internet of Things (IoT) has intensified cybersecurity challenges, particularly in mitigating Distributed Denial-of-Service (DDoS) attacks at the network edge. Traditional Intrusion Detection Systems (IDSs) face…

Cryptography and Security · Computer Science 2026-05-21 Saeid Jamshidi , Foutse Khomh , Kawser Wazed Nafi , Amin Nikanjam , Samira Keivanpour , Omar Abdul-Wahab , Martine Bellaiche

Anomaly detection is a crucial step for preventing malicious activities in the network and keeping resources available all the time for legitimate users. It is noticed from various studies that classical anomaly detectors work well with…

Cryptography and Security · Computer Science 2020-02-17 Awais Ahmed , Sufian Hameed , Muhammad Rafi , Qublai Khan Ali Mirza

Anomaly detection in Industrial Internet of Things (IIoT) environments is essential to protect the Industrial Control Systems (ICS) and Cyber-Physical Systems (CPS) from occuring run time false data injection and other malicious attacks.…

Machine Learning · Computer Science 2026-05-26 Rai Ali Yar , Umaisa Lail , Anwar Shah

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

IoT devices are increasingly deployed in daily life. Many of these devices are, however, vulnerable due to insecure design, implementation, and configuration. As a result, many networks already have vulnerable IoT devices that are easy to…

Cryptography and Security · Computer Science 2019-05-13 Thien Duc Nguyen , Samuel Marchal , Markus Miettinen , Hossein Fereidooni , N. Asokan , Ahmad-Reza Sadeghi

The network attacks are increasing both in frequency and intensity with the rapid growth of internet of things (IoT) devices. Recently, denial of service (DoS) and distributed denial of service (DDoS) attacks are reported as the most…

Cryptography and Security · Computer Science 2020-12-04 Faisal Hussain , Syed Ghazanfar Abbas , Muhammad Husnain , Ubaid Ullah Fayyaz , Farrukh Shahzad , Ghalib A. Shah

The rapid advancement of machine learning technologies raises questions about the security of machine learning models, with respect to both training-time (poisoning) and test-time (evasion, impersonation, and inversion) attacks. Models…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Xinheng Xie , Kureha Yamaguchi , Margaux Leblanc , Simon Malzard , Varun Chhabra , Victoria Nockles , Yue Wu

State-of-the-art deep neural networks (DNNs) have been proved to have excellent performance on unsupervised domain adaption (UDA). However, recent work shows that DNNs perform poorly when being attacked by adversarial samples, where these…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Liyuan Zhang , Yuhang Zhou , Lei Zhang

Anomaly detection is facing with emerging challenges in many important industry domains, such as cyber security and online recommendation and advertising. The recent trend in these areas calls for anomaly detection on time-evolving data…

Machine Learning · Computer Science 2019-07-16 Zheng Gao , Lin Guo , Chi Ma , Xiao Ma , Kai Sun , Hang Xiang , Xiaoqiang Zhu , Hongsong Li , Xiaozhong Liu

Network intrusion detection remains a critical challenge in cybersecurity. While supervised machine learning models achieve state-of-the-art performance, their reliance on large labelled datasets makes them impractical for many real-world…

Machine Learning · Computer Science 2025-09-09 Jack Wilkie , Hanan Hindy , Christos Tachtatzis , Robert Atkinson

Anomaly detection (AD) plays a pivotal role in numerous web-based applications, including malware detection, anti-money laundering, device failure detection, and network fault analysis. Most methods, which rely on unsupervised learning, are…

Machine Learning · Computer Science 2024-02-07 Haihong Zhao , Chenyi Zi , Yang Liu , Chen Zhang , Yan Zhou , Jia Li

The proliferation of large-scale IoT networks has been both a blessing and a curse. Not only has it revolutionized the way organizations operate by increasing the efficiency of automated procedures, but it has also simplified our daily…

Cryptography and Security · Computer Science 2026-03-24 Isha Andrade , Shalaka S Mahadik , Mithun Mukherjee , Pranav M Pawar , Raja Muthalagu

Deep neural networks (DNN) can achieve high performance when applied to In-Distribution (ID) data which come from the same distribution as the training set. When presented with anomaly inputs not from the ID, the outputs of a DNN should be…

Machine Learning · Computer Science 2021-10-08 Fangzhen Zhao , Chenyi Zhang , Naipeng Dong , Zefeng You , Zhenxin Wu

Semi-supervised Anomaly Detection (AD) is a kind of data mining task which aims at learning features from partially-labeled datasets to help detect outliers. In this paper, we classify existing semi-supervised AD methods into two…

Machine Learning · Computer Science 2022-10-27 Chao Chen , Dawei Wang , Feng Mao , Zongzhang Zhang , Yang Yu

Anomaly detection methods are part of the systems where rare events may endanger an operation's profitability, safety, and environmental aspects. Although many state-of-the-art anomaly detection methods were developed to date, their…

Machine Learning · Computer Science 2023-02-01 Marek Wadinger , Michal Kvasnica

The proliferation of interconnected battlefield information-sharing devices, known as the Internet of Battlefield Things (IoBT), introduced several security challenges. Inherent to the IoBT operating environment is the practice of…

Cryptography and Security · Computer Science 2021-11-03 David A. Bierbrauer , Alexander Chang , Will Kritzer , Nathaniel D. Bastian