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The high complexity of DNS poses unique challenges for ensuring its security and reliability. Despite continuous advances in DNS testing, monitoring, and verification, protocol-level defects still give rise to numerous bugs and attacks. In…

Cryptography and Security · Computer Science 2024-11-21 Dhruv Nevatia , Si Liu , David Basin

The domain name system (DNS) is one of the most important components of today's Internet, and is the standard naming convention between human-readable domain names and machine-routable IP addresses of Internet resources. However, due to the…

Networking and Internet Architecture · Computer Science 2020-06-30 Aminollah Khormali , Jeman Park , Hisham Alasmary , Afsah Anwar , David Mohaisen

Detecting unusual patterns in graph data is a crucial task in data mining. However, existing methods face challenges in consistently achieving satisfactory performance and often lack interpretability, which hinders our understanding of…

Machine Learning · Computer Science 2024-06-28 Yifei Yang , Peng Wang , Xiaofan He , Dongmian Zou

Virtually every Internet communication typically involves a Domain Name System (DNS) lookup for the destination server that the client wants to communicate with. Operators of DNS recursive resolvers---the machines that receive a client's…

Networking and Internet Architecture · Computer Science 2022-01-25 Paul Schmitt , Anne Edmundson , Nick Feamster

This paper presents a novel end-to-end system for pedestrian detection using Dynamic Vision Sensors (DVSs). We target applications where multiple sensors transmit data to a local processing unit, which executes a detection algorithm. Our…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Anthony Bisulco , Fernando Cladera Ojeda , Volkan Isler , Daniel D. Lee

Graph Neural Networks (GNNs) have recently emerged as a robust framework for graph-structured data. They have been applied to many problems such as knowledge graph analysis, social networks recommendation, and even Covid19 detection and…

Software Engineering · Computer Science 2022-01-04 Thanh-Dat Nguyen , Thanh Le-Cong , ThanhVu H. Nguyen , Xuan-Bach D. Le , Quyet-Thang Huynh

As the number of IoT devices increases, security concerns become more prominent. The impact of threats can be minimized by deploying Network Intrusion Detection System (NIDS) by monitoring network traffic, detecting and discovering…

Cryptography and Security · Computer Science 2024-03-28 Lijin Wu , Shanshan Lei , Feilong Liao , Yuanjun Zheng , Yuxin Liu , Wentao Fu , Hao Song , Jiajun Zhou

Early detection of network intrusions and cyber threats is one of the main pillars of cybersecurity. One of the most effective approaches for this purpose is to analyze network traffic with the help of artificial intelligence algorithms,…

Cryptography and Security · Computer Science 2024-02-13 Giacomo Zonneveld , Lorenzo Principi , Marco Baldi

In the rapidly evolving field of cybersecurity, the integration of flow-level and packet-level information for real-time intrusion detection remains a largely untapped area of research. This paper introduces "XG-NID," a novel framework…

Cryptography and Security · Computer Science 2025-05-09 Yasir Ali Farrukh , Syed Wali , Irfan Khan , Nathaniel D. Bastian

Graph Neural Network (GNN)-based network intrusion detection systems (NIDS) are often evaluated on single datasets, limiting their ability to generalize under distribution drift. Furthermore, their adversarial robustness is typically…

Cryptography and Security · Computer Science 2025-07-16 Zhonghao Zhan , Huichi Zhou , Hamed Haddadi

In this paper, we introduce GraphSecure, a web application that provides advanced analysis and visualisation of security scanning results. GraphSecure enables users to initiate scans for their AWS account, validate them against specific…

Decentralized financial platforms rely heavily on Web of Trust reputation systems to mitigate counterparty risk in the absence of centralized identity verification. However, these pseudonymous networks are inherently vulnerable to…

Cryptography and Security · Computer Science 2026-03-17 Chang Xue , Fang Liu , Jiaye Wang , Jinming Xing , Chen Yang

The detection and analysis of transient astronomical sources is of great importance to understand their time evolution. Traditional pipelines identify transient sources from difference (D) images derived by subtracting prior-observed…

Instrumentation and Methods for Astrophysics · Physics 2023-09-19 Zhuoyang Chen , Wenjie Zhou , Guoyou Sun , Mi Zhang , Jiangao Ruan , Jingyuan Zhao

This paper presents the Neural Network Verification (NNV) software tool, a set-based verification framework for deep neural networks (DNNs) and learning-enabled cyber-physical systems (CPS). The crux of NNV is a collection of reachability…

Systems and Control · Electrical Eng. & Systems 2020-04-14 Hoang-Dung Tran , Xiaodong Yang , Diego Manzanas Lopez , Patrick Musau , Luan Viet Nguyen , Weiming Xiang , Stanley Bak , Taylor T. Johnson

Graphs are a ubiquitous data structure to model processes and relations in a wide range of domains. Examples include control-flow graphs in programs and semantic scene graphs in images. Identifying subgraph patterns in graphs is an…

Machine Learning · Computer Science 2022-02-22 Huan Song , Zeng Dai , Panpan Xu , Liu Ren

We describe and validate a novel data-driven approach to the real time detection and classification of traffic anomalies based on the identification of atypical fluctuations in the relationship between density and flow. For aggregated data…

Applications · Statistics 2020-12-22 Kieran Kalair , Colm Connaughton

In this paper, we report the development of a model and a proof-of-concept visual text analytics (VTA) tool to enhance documentdiscovery in a problem-driven visualization research (PDVR) con-text. The proposed model captures the cognitive…

Human-Computer Interaction · Computer Science 2020-09-22 Alejandro Benito-Santos , Roberto Therón

This paper describes a novel system that provides key parameters of HTTP Adaptive Streaming (HAS) sessions to the lower layers of the protocol stack. A non-intrusive traffic profiling solution is proposed that observes packet flows at the…

Multimedia · Computer Science 2017-05-25 Dimitrios Tsilimantos , Theodoros Karagkioules , Amaya Nogales-Gómez , Stefan Valentin

Currently, there are computer vision systems that help us with tasks that would be dull for humans, such as surveillance and vehicle tracking. An important part of this analysis is to identify traffic anomalies. An anomaly tells us that…

Graph Convolutional Networks (GCNs) have emerged as powerful tools for learning on network structured data. Although empirically successful, GCNs exhibit certain behaviour that has no rigorous explanation -- for instance, the performance of…

Machine Learning · Computer Science 2023-11-07 Mahalakshmi Sabanayagam , Pascal Esser , Debarghya Ghoshdastidar