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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

Attack detection problems in the smart grid are posed as statistical learning problems for different attack scenarios in which the measurements are observed in batch or online settings. In this approach, machine learning algorithms are used…

Machine Learning · Computer Science 2015-03-24 Mete Ozay , Inaki Esnaola , Fatos T. Yarman Vural , Sanjeev R. Kulkarni , H. Vincent Poor

The growing scale and sophistication of cyberattacks pose critical challenges to network security, particularly in detecting diverse intrusion types within imbalanced datasets. Traditional intrusion detection systems (IDS) often struggle to…

Cryptography and Security · Computer Science 2025-11-25 Nisith Dissanayake , Uthayasanker Thayasivam

A considerable portion of the machine learning literature applied to intrusion detection uses outdated data sets based on a simulated network with a limited environment. Moreover, flaws usually appear in datasets and the way we handle them…

Cryptography and Security · Computer Science 2017-06-13 Veronica del Carmen Estrada

As the number of cyberattacks and their particualr nature escalate, the need for effective intrusion detection systems (IDS) has become indispensable for ensuring the security of contemporary networks. Adaptive and more sophisticated…

Cryptography and Security · Computer Science 2025-05-12 Soham Chatterjee , Satvik Chaudhary , Aswani Kumar Cherukuri

Network operators are generally aware of common attack vectors that they defend against. For most networks the vast majority of traffic is legitimate. However new attack vectors are continually designed and attempted by bad actors which…

Machine Learning · Computer Science 2019-04-03 Amir Ziai

The growing cybersecurity threats make it essential to use high-quality data to train Machine Learning (ML) models for network traffic analysis, without noisy or missing data. By selecting the most relevant features for cyber-attack…

Cryptography and Security · Computer Science 2024-07-09 João Vitorino , Miguel Silva , Eva Maia , Isabel Praça

The rapid increase in the use of IoT devices brings many benefits to the digital society, ranging from improved efficiency to higher productivity. However, the limited resources and the open nature of these devices make them vulnerable to…

Cryptography and Security · Computer Science 2021-09-07 Joseph Rose , Matthew Swann , Gueltoum Bendiab , Stavros Shiaeles , Nicholas Kolokotronis

With the rapid growth of IoT devices, ensuring robust network security has become a critical challenge. Traditional intrusion detection systems (IDSs) often face limitations in detecting sophisticated attacks within high-dimensional and…

Cryptography and Security · Computer Science 2025-10-07 Ghazal Ghajari , Ashutosh Ghimire , Elaheh Ghajari , Fathi Amsaad

In the world today computer networks have a very important position and most of the urban and national infrastructure as well as organizations are managed by computer networks, therefore, the security of these systems against the planned…

Cryptography and Security · Computer Science 2018-12-14 Amir Moradibaad , Ramin Jalilian Mashhoud

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

The rapid expansion of the Internet of Things (IoT) and its integration with backbone networks have heightened the risk of security breaches. Traditional centralized approaches to anomaly detection, which require transferring large volumes…

Machine Learning · Computer Science 2026-03-24 Devashish Chaudhary , Sutharshan Rajasegarar , Shiva Raj Pokhrel , Lei Pan , Ruby D

Cyber intrusion attacks that compromise the users' critical and sensitive data are escalating in volume and intensity, especially with the growing connections between our daily life and the Internet. The large volume and high complexity of…

Cryptography and Security · Computer Science 2022-12-05 Rahul Kale , Zhi Lu , Kar Wai Fok , Vrizlynn L. L. Thing

With the rapid technological advancements, organizations need to rapidly scale up their information technology (IT) infrastructure viz. hardware, software, and services, at a low cost. However, the dynamic growth in the network services and…

Cryptography and Security · Computer Science 2020-08-14 Mahmoud Said Elsayed , Nhien-An Le-Khac , Soumyabrata Dev , Anca Delia Jurcut

Growing number of network devices and services have led to increasing demand for protective measures as hackers launch attacks to paralyze or steal information from victim systems. Intrusion Detection System (IDS) is one of the essential…

Machine Learning · Computer Science 2019-11-27 Hyeokmin Gwon , Chungjun Lee , Rakun Keum , Heeyoul Choi

The escalation of hazards to safety and hijacking of digital networks are among the strongest perilous difficulties that must be addressed in the present day. Numerous safety procedures were set up to track and recognize any illicit…

Cryptography and Security · Computer Science 2023-10-03 Sudhanshu Sekhar Tripathy , Bichitrananda Behera

We develop a real-time anomaly detection algorithm for directed activity on large, sparse networks. We model the propensity for future activity using a dynamic logistic model with interaction terms for sender- and receiver-specific latent…

Methodology · Statistics 2021-02-01 Wesley Lee , Tyler H. McCormick , Joshua Neil , Cole Sodja , Yanran Cui

In the last decades, researchers, practitioners and companies struggled in devising mechanisms to detect malicious activities originating security threats. Amongst the many solutions, network intrusion detection emerged as one of the most…

Cryptography and Security · Computer Science 2022-03-01 Tommaso Zoppi , Andrea Ceccarelli

Identifying suitable machine learning paradigms for intrusion detection remains critical for building effective and generalizable security solutions. In this study, we present a controlled comparison of four representative models -…

Cryptography and Security · Computer Science 2025-08-12 Zhaoyang Xu , Yunbo Liu

Anomaly detection aims at identifying unexpected fluctuations in the expected behavior of a given system. It is acknowledged as a reliable answer to the identification of zero-day attacks to such extent, several ML algorithms that suit for…

Machine Learning · Computer Science 2020-12-22 Tommaso Zoppi , Andrea ceccarelli , Tommaso Capecchi , Andrea Bondavalli