September 12, 2025Open Access

A Review of Security Threats and Defence Mechanisms in Vanets

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This review examines security threats like denial of service and sybil attacks in vehicular ad hoc networks, suggesting adaptive defence mechanisms.

Security mechanisms in VANETs can reduce risks from attacks such as denial of service and sybil attacks, enhancing operational safety.
Defence strategies include multivariate stream analysis for DDoS detection and encryption methods to mitigate DoS vulnerabilities.
Enhanced intrusion detection systems recognize grey hole attacks, while route tracing and node identification address black hole incidents.
Ongoing research is needed to improve adaptive security architectures for vehicular ad hoc networks to ensure effective real-world deployment.

Abdulmalik et al. (2025) studied this question.

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This review examines security threats like denial of service and sybil attacks in vehicular ad hoc networks, suggesting adaptive defence mechanisms.