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Sybil detection in social networks is a basic security research problem. Structure-based methods have been shown to be promising at detecting Sybils. Existing structure-based methods can be classified into Random Walk (RW)-based methods and…

Cryptography and Security · Computer Science 2020-05-28 Binghui Wang , Jinyuan Jia , Le Zhang , Neil Zhenqiang Gong

Wireless networks are vulnerable to Sybil attacks, in which a malicious node poses as many identities in order to gain disproportionate influence. Many defenses based on spatial variability of wireless channels exist, but depend either on…

Cryptography and Security · Computer Science 2014-03-25 Yue Liu , David R. Bild , Robert P. Dick , Z. Morley Mao , Dan S. Wallach

Being a volunteer-run, distributed anonymity network, Tor is vulnerable to Sybil attacks. Little is known about real-world Sybils in the Tor network, and we lack practical tools and methods to expose Sybil attacks. In this work, we develop…

Cryptography and Security · Computer Science 2016-02-26 Philipp Winter , Roya Ensafi , Karsten Loesing , Nick Feamster

Sybil attacks are becoming increasingly widespread and pose a significant threat to online social systems; a single adversary can inject multiple colluding identities in the system to compromise security and privacy. Recent works have…

Cryptography and Security · Computer Science 2018-06-08 Peng Gao , Binghui Wang , Neil Zhenqiang Gong , Sanjeev R. Kulkarni , Kurt Thomas , Prateek Mittal

Due to the openness of wireless medium, robotic networks that consist of many miniaturized robots are susceptible to Sybil attackers, who can fabricate myriads of fictitious robots. Such detrimental attacks can overturn the fundamental…

Cryptography and Security · Computer Science 2020-12-29 Yong Huang , Wei Wang , Tao Jiang , Qian Zhang

Restaking protocols expand validator responsibilities beyond consensus, but their security depends on resistance to Sybil attacks. We introduce a formal framework for Sybil-proofness in restaking networks, distinguishing between two types…

Computer Science and Game Theory · Computer Science 2025-09-24 Tarun Chitra , Paolo Penna , Manvir Schneider

Many significant functionalities of vehicular ad hoc networks (VANETs) require that nodes have knowledge of the positions of other vehicles, and notably of those within communication range. However, adversarial nodes could provide false…

Cryptography and Security · Computer Science 2010-06-07 Marco Fiore , Claudio Casetti , Carla Fabiana Chiasserini , Panagiotis Papadimitratos

As the most promising application in VANETs, the vehicular announcement allows vehicles to send announcement messages about road conditions to other vehicles far away. The security requirements of reliability and privacy in the vehicular…

Cryptography and Security · Computer Science 2014-11-14 Yichen Jiang

In federated learning, machine learning and deep learning models are trained globally on distributed devices. The state-of-the-art privacy-preserving technique in the context of federated learning is user-level differential privacy.…

Cryptography and Security · Computer Science 2020-10-22 Yupeng Jiang , Yong Li , Yipeng Zhou , Xi Zheng

A few years ago, Automotive area in the IoT was seen as theoretical concept and today we are already seeing the possibilities of not only driverless cars, but applications of IoT in the intelligent vehicles including parking, maintaining…

Cryptography and Security · Computer Science 2019-07-24 Jawdat Alshaer

With the rapid growth of Vehicle Ad-hoc Network (VANET) as a promising technology for efficient and reliable communication among vehicles and infrastructure, the security and integrity of VANET communications has become a critical concern.…

Machine Learning · Computer Science 2024-01-17 Thanh Nguyen Canh , Xiem HoangVan

Vehicular Ad Hoc Networks (VANETs) play a crucial role in Intelligent Transportation Systems (ITS) by facilitating communication between vehicles and infrastructure. This communication aims to enhance road safety, improve traffic…

Cryptography and Security · Computer Science 2023-12-21 Rabia Nasir , Humaira Ashraf , NZ Jhanjhi

A novel Strict Friendliness Verification (SFV) scheme based on the integrated key consisting of symmetric node identity, geographic location and round trip response time between the sender and the receiver radio in MANET is proposed. This…

Cryptography and Security · Computer Science 2012-03-19 Dhadesugoor R. Vaman , Niraj Shakhakarmi

Recent advances in smart cities applications enforce security threads such as node replication attacks. Such attack is take place when the attacker plants a replicated network node within the network. Vehicular Ad hoc networks are…

Machine Learning · Computer Science 2018-08-21 Mohammed GH. I. AL Zamil

The recent application of Federated Learning algorithms in IOT and Wireless vehicular networks have given rise to newer cyber threats in the mobile environment which hitherto were not present in traditional fixed networks. These threats…

Systems and Control · Electrical Eng. & Systems 2024-03-15 Godwin Badu-Marfo , Ranwa Al Mallah , Bilal Farooq

Ensuring safety on construction sites is critical, with helmets playing a key role in reducing injuries. Traditional safety checks are labor-intensive and often insufficient. This study presents a computer vision-based solution using YOLO…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Xiaoyi Liu , Ruina Du , Lianghao Tan , Junran Xu , Chen Chen , Huangqi Jiang , Saleh Aldwais

Vehicular ad-hoc networks (VANETs) are one of the most important components in an Intelligent Transportation System (ITS), which aims to provide information communication between vehicles. A safety-critical vehicular communication requires…

Cryptography and Security · Computer Science 2019-10-01 Feng Liu , Qi Wang

Real-time crowdsourced maps such as Waze provide timely updates on traffic, congestion, accidents and points of interest. In this paper, we demonstrate how lack of strong location authentication allows creation of software-based {\em Sybil…

Social and Information Networks · Computer Science 2016-04-28 Gang Wang , Bolun Wang , Tianyi Wang , Ana Nika , Haitao Zheng , Ben Y. Zhao

Autonomous vehicles (AVs) are more vulnerable to network attacks due to the high connectivity and diverse communication modes between vehicles and external networks. Deep learning-based Intrusion detection, an effective method for detecting…

Cryptography and Security · Computer Science 2023-09-27 Pengzhou Cheng , Lei Hua , Haobin Jiang , Gongshen Liu

Connected cars are susceptible to cyberattacks. Security and safety of future vehicles highly depend on a holistic protection of automotive components, of which the time-sensitive backbone network takes a significant role. These onboard…

Networking and Internet Architecture · Computer Science 2024-05-03 Philipp Meyer , Timo Häckel , Teresa Lübeck , Franz Korf , Thomas C. Schmidt