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Ad hoc networks is vulnerable to numerous number of attacks due to its infrastructure-less nature, one of these attacks is the Sybil attack. Sybil attack is a severe attack on vehicular ad hoc networks (VANET) in which the intruder…

Networking and Internet Architecture · Computer Science 2019-05-10 Salam Hamdan , Amjad Hudaib , Arafat Awajan

In this paper, we propose a Sybil attack detection scheme using proofs of work and location. The idea is that each road side unit (RSU) issues a signed time-stamped tag as a proof for the vehicle's anonymous location. Proofs sent from…

Cryptography and Security · Computer Science 2019-04-12 Mohamed Baza , Mahmoud Nabil , Niclas Bewermeier , Kemal Fidan , Mohamed Mahmoud , Mohamed Abdallah

Connected autonomous vehicles, or Vehicular Ad hoc Networks (VANETs), hold great promise, but concerns persist regarding safety, privacy, and security, particularly in the face of Sybil attacks, where malicious entities falsify neighboring…

Networking and Internet Architecture · Computer Science 2024-11-13 Mortan Thomas , Abinash Borah , Anirudh Paranjothi

Vehicular ad hoc networks (VANETs) facilitate vehicles to broadcast beacon messages to ensure road safety. Rogue nodes in VANETs cause a Sybil attack to create an illusion of fake traffic congestion by broadcasting malicious information…

Cryptography and Security · Computer Science 2021-08-25 Anirudh Paranjothi , Mohammed Atiquzzaman

Internet of things (IoT) connects all items to the Internet through information-sensing devices to exchange information for intelligent identification and management. Sybil attack is a famous and crippling attack in IoT. Most of the…

Cryptography and Security · Computer Science 2022-04-26 Manli Yuan , Liwei Lin , Zhengyu Wu , Xiucai Ye

Effective applications of vehicular ad hoc networks in traffic signal control require new methods for detection of malicious data. Injection of malicious data can result in significantly decreased performance of such applications, increased…

Networking and Internet Architecture · Computer Science 2017-04-03 Bartlomiej Placzek , Marcin Bernas

Wireless sensor networks (WSN) are widely used in vehicular networks to support Vehicle-to-Everything (V2X) communications. Wireless sensors in vehicular networks support sensing and monitoring of various environmental factors and vehicle…

Cryptography and Security · Computer Science 2025-04-17 Jae-Dong Kim , Dabin Kim , Minseok Ko , Jong-Moon Chung

Sybil attacks are a fundamental threat to the security of distributed systems. Recently, there has been a growing interest in leveraging social networks to mitigate Sybil attacks. However, the existing approaches suffer from one or more…

Cryptography and Security · Computer Science 2016-11-17 Neil Zhenqiang Gong , Mario Frank , Prateek Mittal

This paper presents SYBILGAT, a novel approach to Sybil detection in social networks using Graph Attention Networks (GATs). Traditional methods for Sybil detection primarily leverage structural properties of networks; however, they tend to…

Social and Information Networks · Computer Science 2024-09-16 Stuart Heeb , Andreas Plesner , Roger Wattenhofer

The flying ad hoc network (FANET) will play a crucial role in the B5G/6G era since it provides wide coverage and on-demand deployment services in a distributed manner. The detection of Sybil attacks is essential to ensure trusted…

Cryptography and Security · Computer Science 2023-06-29 Yanpeng Cui , Qixun Zhang , Zhiyong Feng , Xiong Li , Zhiqing Wei , Ping Zhang

Online social networks (OSNs) are threatened by Sybil attacks, which create fake accounts (also called Sybils) on OSNs and use them for various malicious activities. Therefore, Sybil detection is a fundamental task for OSN security. Most…

Cryptography and Security · Computer Science 2022-06-23 Satoshi Furutani , Toshiki Shibahara , Mitsuaki Akiyama , Masaki Aida

Increasing communication and self-driving capabilities for road vehicles lead to threats imposed by attackers. Especially attacks leading to safety violations have to be identified to address them by appropriate measures. The impact of an…

Cryptography and Security · Computer Science 2021-08-11 Christian Wolschke , Behrooz Sangchoolie , Jacob Simon , Stefan Marksteiner , Tobias Braun , Hayk Hamazaryan

Detecting fake users (also called Sybils) in online social networks is a basic security research problem. State-of-the-art approaches rely on a large amount of manually labeled users as a training set. These approaches suffer from three key…

Cryptography and Security · Computer Science 2018-06-14 Binghui Wang , Le Zhang , Neil Zhenqiang Gong

We investigate the problem of sybil (fake account) detection in social networks from a graph algorithms perspective, where graph structural information is used to classify users as sybil and benign. We introduce the novel notion of user…

Social and Information Networks · Computer Science 2025-01-29 Ali Safarpoor Dehkordi , Ahad N. Zehmakan

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…

Social and Information Networks · Computer Science 2018-03-29 Peng Gao , Neil Zhenqiang Gong , Sanjeev Kulkarni , Kurt Thomas , Prateek Mittal

This letter presents a blockchain-based multi-path mobile access point (MAP) selection strategy for secure 5G vehicular ad-hoc networks (VANETs). The proposed method leverages blockchain technology for decentralized, transparent, and secure…

Cryptography and Security · Computer Science 2024-11-07 Zhiou Zhang , Weian Guo , Li Li , Dongyang Li

Sybil attacks pose a significant security threat to blockchain ecosystems, particularly in token airdrop events. This paper proposes a novel sybil address identification method based on subgraph feature extraction lightGBM. The method first…

Cryptography and Security · Computer Science 2025-05-15 Qiangqiang Liu , Qian Huang , Frank Fan , Haishan Wu , Xueyan Tang

While connected vehicle (CV) applications have the potential to revolutionize traditional transportation system, cyber and physical attacks on them could be devastating. In this work, we propose an efficient dual cyber-physical blockchain…

Cryptography and Security · Computer Science 2021-02-16 Xiangguo Liu , Baiting Luo , Ahmed Abdo , Nael Abu-Ghazaleh , Qi Zhu

Any decentralised distributed network is particularly vulnerable to the Sybil attack wherein a malicious node masquerades as several different nodes, called Sybil nodes, simultaneously in an attempt to disrupt the proper functioning of the…

Cryptography and Security · Computer Science 2012-07-12 Nitish Balachandran , Sugata Sanyal

Many distributed systems are subject to the Sybil attack, where an adversary subverts system operation by emulating behavior of multiple distinct nodes. Most recent work to address this problem leverages social networks to establish trust…

Networking and Internet Architecture · Computer Science 2012-01-16 Frank Li , Prateek Mittal , Matthew Caesar , Nikita Borisov
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