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Deep Learning is emerging as an effective technique to detect sophisticated cyber-attacks targeting Industrial Control Systems (ICSs). The conventional approach to detection in literature is to learn the "normal" behaviour of the system, to…

密码学与安全 · 计算机科学 2021-04-16 Maged Abdelaty , Roberto Doriguzzi-Corin , Domenico Siracusa

As the digital landscape becomes more interconnected, the frequency and severity of zero-day attacks, have significantly increased, leading to an urgent need for innovative Intrusion Detection Systems (IDS). Machine Learning-based IDS that…

密码学与安全 · 计算机科学 2025-05-15 Ippokratis Koukoulis , Ilias Syrigos , Thanasis Korakis

Due to the issue that existing wireless sensor network (WSN)-based anomaly detection methods only consider and analyze temporal features, in this paper, a self-supervised learning-based anomaly node detection method based on an autoencoder…

机器学习 · 计算机科学 2022-12-29 Miao Ye , Qinghao Zhang , Xingsi Xue , Yong Wang , Qiuxiang Jiang , Hongbing Qiu

Due to the rare occurrence of anomalous events, a typical approach to anomaly detection is to train an autoencoder (AE) with normal data only so that it learns the patterns or representations of the normal training data. At test time, the…

机器学习 · 计算机科学 2024-05-20 Marcella Astrid , Muhammad Zaigham Zaheer , Djamila Aouada , Seung-Ik Lee

Unsupervised Time series anomaly detection plays a crucial role in applications across industries. However, existing methods face significant challenges due to data distributional shifts across different domains, which are exacerbated by…

机器学习 · 计算机科学 2025-05-02 Tian Lan , Yifei Gao , Yimeng Lu , Chen Zhang

As the communication industry has connected distant corners of the globe using advances in network technology, intruders or attackers have also increased attacks on networking infrastructure commensurately. System administrators can attempt…

密码学与安全 · 计算机科学 2012-11-21 Monowar H. Bhuyan , D. K. Bhattacharyya , J. K. Kalita

Recent advancements in Intrusion Detection Systems (IDS), integrating Explainable AI (XAI) methodologies, have led to notable improvements in system performance via precise feature selection. However, a thorough understanding of…

密码学与安全 · 计算机科学 2024-11-06 Hao-Ting Pai , Yu-Hsuan Kang , Wen-Cheng Chung

Existing research on sensor data anomaly detection for industrial sensor networks still has several inherent limitations. First, most detection models usually consider centralized detection. Thus, all sensor data have to be uploaded to the…

密码学与安全 · 计算机科学 2025-09-19 Tao Yang , Xuefeng Jiang , Wei Li , Peiyu Liu , Jinming Wang , Weijie Hao , Qiang Yang

As electronic systems become increasingly complex and prevalent in modern vehicles, securing onboard networks is crucial, particularly as many of these systems are safety-critical. Researchers have demonstrated that modern vehicles are…

密码学与安全 · 计算机科学 2024-12-31 Chunheng Zhao , Stefano Longari , Michele Carminati , Pierluigi Pisu

In today's digital world, the generation of vast amounts of streaming data in various domains has become ubiquitous. However, many of these data are unlabeled, making it challenging to identify events, particularly anomalies. This task…

机器学习 · 计算机科学 2026-02-16 Jin Li , Kleanthis Malialis , Christos G. Panayiotou , Marios M. Polycarpou

The rapid expansion of the Internet of Things (IoT) has raised increasing concern about targeted cyber attacks. Previous research primarily focused on static Intrusion Detection Systems (IDSs), which employ offline training to safeguard IoT…

密码学与安全 · 计算机科学 2024-02-06 Xinchen Zhang , Running Zhao , Zhihan Jiang , Zhicong Sun , Yulong Ding , Edith C. H. Ngai , Shuang-Hua Yang

With the growing complexity of cyberattacks targeting critical infrastructures such as water treatment networks, there is a pressing need for robust anomaly detection strategies that account for both system vulnerabilities and evolving…

机器学习 · 计算机科学 2025-08-14 Arun Vignesh Malarkkan , Haoyue Bai , Dongjie Wang , Yanjie Fu

Intrusion detection systems (IDSs) generate valuable knowledge about network security, but an abundance of false alarms and a lack of methods to capture the interdependence among alerts hampers their utility for network defense. Here, we…

密码学与安全 · 计算机科学 2019-01-17 Anthony Palladino , Christopher J. Thissen

Anomaly detection is fundamental yet, challenging problem with practical applications in industry. The current approaches neglect the higher-order dependencies within the networks of interconnected sensors in the high-dimensional time…

机器学习 · 计算机科学 2024-08-22 Sakhinana Sagar Srinivas , Rajat Kumar Sarkar , Venkataramana Runkana

Advanced Persistent Threats (APTs) are sophisticated, long-term cyberattacks that are difficult to detect because they operate stealthily and often blend into normal system behavior. This paper presents a neuro-symbolic anomaly detection…

机器学习 · 计算机科学 2026-02-17 Asif Tauhid , Sidahmed Benabderrahmane , Mohamad Altrabulsi , Ahamed Foisal , Talal Rahwan

Autonomous Vehicles (AVs) heavily rely on sensors and communication networks like Global Positioning System (GPS) to navigate autonomously. Prior research has indicated that networks like GPS are vulnerable to cyber-attacks such as spoofing…

Graph anomaly detection is crucial for identifying nodes that deviate from regular behavior within graphs, benefiting various domains such as fraud detection and social network. Although existing reconstruction-based methods have achieved…

机器学习 · 计算机科学 2023-12-25 Junwei He , Qianqian Xu , Yangbangyan Jiang , Zitai Wang , Qingming Huang

The network security analyzers use intrusion detection systems (IDSes) to distinguish malicious traffic from benign ones. The deep learning-based IDSes are proposed to auto-extract high-level features and eliminate the time-consuming and…

密码学与安全 · 计算机科学 2023-03-07 Mahdi Soltani , Khashayar Khajavi , Mahdi Jafari Siavoshani , Amir Hossein Jahangir

Detecting anomalous behavior in wireless spectrum is a demanding task due to the sheer complexity of the electromagnetic spectrum use. Wireless spectrum anomalies can take a wide range of forms from the presence of an unwanted signal in a…

信号处理 · 电气工程与系统科学 2018-07-24 Sreeraj Rajendran , Wannes Meert , Vincent Lenders , Sofie Pollin

Anomaly detection has wide applications in machine intelligence but is still a difficult unsolved problem. Major challenges include the rarity of labeled anomalies and it is a class highly imbalanced problem. Traditional unsupervised…

机器学习 · 计算机科学 2021-04-27 Zhi Chen , Jiang Duan , Li Kang , Guoping Qiu