This paper proposes Random Time Challenge-Tokens (RTCT) as a mechanism to economically enforce honest participation and deter Sybil attacks at the network level, and shows that RTCT can exponentially increase an attacker’s costs with higher challenge difficulty, making networks more resilient.
Vehicle-to-Everything (V2X) communication enables vehicles to exchange safety-critical messages, but its reliance on temporary pseudonymous identities makes it vulnerable to Sybil attacks, where a single attacker fabricates multiple identities to inject false information into the network. This paper presents a lightwei...
Maher Fayyad, Abdullah Awad, Edison Pignaton De Freitas et al.· International Conference on...· 0 citations
This paper introduces a distributed lightweight method that exploits Sybil identities’ mobility correlation to detect the attack and disseminates detection results using a lightweight hashing function.
The worst-case network performance loss of these stealthy attacks of these stealthy attacks is analyzed and a heuristic search based on the Katz centrality measure of the underlying digraph for selecting sub-optimal monitor nodes against all admissible attack scenarios without solving optimization problems is provided.
Anh Tung Nguyen, S. C. Anand, André M. H. Teixeira· 0 citations
Payment Channel Networks (PCNs) offer a scalable solution for off-chain cryptocurrency transactions, but suffer from low success rates and security challenges. A key issue lies in the lack of visibility into channel balances during route discovery, which prevents senders from reliably assessing whether a route can supp...
This study introduces a novel trust management scheme that incorporates cryptographic techniques to address the important issues of secure routing in VANETs, which also helps in the detection of attacks.
Nidhi Jaswani, Mou Dasgupta, Sangram Ray et al.· Security and Privacy· 0 citations
