SPADE: SPaT Attack Detection from the Connected Vehicle's Perspective
Signal Phase and Timing (SPaT) messages are a cornerstone of connected vehicle (CV) safety, enabling CVs to perceive and respond to intersection state through Vehicle-to-Infrastructure (V2I) and Vehicle-to-Vehicle (V2V) communication. The integrity of these messages is threatened by a range of application-layer attacks that can bypass conventional authentication when a roadside unit or peer vehicle is compromised. Existing intrusion detection research either defends the infrastructure side or targets V2V Basic Safety Message (BSM) / Cooperative Awareness Message (CAM) misbehavior, leaving the onboard CV perspective on SPaT integrity unaddressed. To close this gap, we introduce SPADE --- t...
| Authors | James Di Novo, Hany Ragab, Sylvain P. Leblanc |
|---|---|
| Primary category | cs.CR |
| Published | 2 September 2026 |
| Last updated at source | 4 September 2026 |
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