English
Related papers

Related papers: SybilFuse: Combining Local Attributes with Global …

200 papers

Federated learning is a privacy-enforcing machine learning technology but suffers from limited scalability. This limitation mostly originates from the internet connection and memory capacity of the central parameter server, and the…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-28 Thomas Werthenbach , Johan Pouwelse

P2P systems are highly susceptible to Sybil attacks, in which an attacker creates a large number of identities and uses them to control a substantial fraction of the system. Persea is the most recent approach towards designing a social…

Cryptography and Security · Computer Science 2014-12-23 Mahdi Nasrullah Al-Ameen , Matthew Wright

Social network based trust relationships present a critical foundation for designing trustworthy systems, such as Sybil defenses, secure routing, and anonymous/censorshipresilient communications. A key issue in the design of such systems,…

Social and Information Networks · Computer Science 2016-10-13 Changhchang Liu , Prateek Mittal

In this paper we have a close look at the Sybil attack and advances in defending against it, with particular emphasis on the recent work. We identify three major veins of literature work to defend against the attack: using trusted…

Cryptography and Security · Computer Science 2013-12-24 Aziz Mohaisen , Joongheon Kim

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

Popular User-Review Social Networks (URSNs)---such as Dianping, Yelp, and Amazon---are often the targets of reputation attacks in which fake reviews are posted in order to boost or diminish the ratings of listed products and services. These…

Social and Information Networks · Computer Science 2017-12-05 Haizhong Zheng , Minhui Xue , Hao Lu , Shuang Hao , Haojin Zhu , Xiaohui Liang , Keith Ross

The Sybil attack plagues all peer-to-peer systems, and modern open distributed ledgers employ a number of tactics to prevent it from proof of work, or other resources such as space, stake or memory, to traditional admission control in…

Cryptography and Security · Computer Science 2019-07-01 Alberto Sonnino , George Danezis

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

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

This paper addresses active re-identification attacks in the context of privacy-preserving social graph publication. Active attacks are those where the adversary can leverage fake accounts, a.k.a. sybil nodes, to enforce structural patterns…

Social and Information Networks · Computer Science 2020-07-13 Sjouke Mauw , Yunior Ramírez-Cruz , Rolando Trujillo-Rasua

The evolution of the Internet of Things (IoT) has increased the connection of personal devices, mainly taking into account the habits and behavior of their owners. These environments demand access control mechanisms to protect them against…

Social and Information Networks · Computer Science 2024-10-28 Gustavo Oliveira , Agnaldo de Souza Batista , Michele Nogueira , Aldri Santos

Preventing fake or duplicate digital identities (aka sybils) from joining a digital community may be crucial to its survival, especially if it utilizes a consensus protocol among its members or employs democratic governance, where sybils…

Social and Information Networks · Computer Science 2023-12-11 Ouri Poupko , Gal Shahaf , Ehud Shapiro , Nimrod Talmon

Sybil attacks pose a significant threat to federated learning, as malicious nodes can collaborate and gain a majority, thereby overwhelming the system. Therefore, it is essential to develop countermeasures that ensure the security of…

Machine Learning · Computer Science 2025-08-05 Qi Xiong , Hai Dong , Nasrin Sohrabi , Zahir Tari

The Sybil attack in unknown port networks such as wireless is not considered tractable. A wireless node is not capable of independently differentiating the universe of real nodes from the universe of arbitrary non-existent fictitious nodes…

Distributed, Parallel, and Cluster Computing · Computer Science 2009-04-20 Adnan Vora , Mikhail Nesterenko , Sébastien Tixeuil , Sylvie Delaët

Vehicular communications play a substantial role in providing safety transportation by means of safety message exchange. Researchers have proposed several solutions for securing safety messages. Protocols based on a fixed key infrastructure…

Cryptography and Security · Computer Science 2011-12-13 Mina Rahbari , Mohammad Ali Jabreil Jamali

Distributed hash tables suffer from several security and privacy vulnerabilities, including the problem of Sybil attacks. Existing social network-based solutions to mitigate the Sybil attacks in DHT routing have a high state requirement and…

Cryptography and Security · Computer Science 2011-09-06 Prateek Mittal , Matthew Caesar , Nikita Borisov

Influence estimation aims to predict the total influence spread in social networks and has received surged attention in recent years. Most current studies focus on estimating the total number of influenced users in a social network, and…

Social and Information Networks · Computer Science 2023-08-22 Yingdan Shi , Jingya Zhou , Congcong Zhang

Many security and privacy problems can be modeled as a graph classification problem, where nodes in the graph are classified by collective classification simultaneously. State-of-the-art collective classification methods for such…

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

Machine learning (ML) over distributed multi-party data is required for a variety of domains. Existing approaches, such as federated learning, collect the outputs computed by a group of devices at a central aggregator and run iterative…

Machine Learning · Computer Science 2020-07-16 Clement Fung , Chris J. M. Yoon , Ivan Beschastnikh

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