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Light Detection and Ranging (LiDAR) sensors have evolved from use within Advanced Driver-Assistance Systems (ADAS) to become critical sensors for the safe operation of Connected and Autonomous Vehicles (CAVs). Whilst it is common for engineers to design for the operational failure of a sensor system, if a sensor can be manipulated due to malicious acts, those acts must be taken into consideration. The LiDAR sensor on a prototype driverless pod was examined to determine potential external security weaknesses, included is a summary of previous LiDAR security work on attacks and mitigation. Any issues with LiDAR sensors should contribute to a CAV’s security and health and safety risk assessments. A discussion on the security implications of using LiDAR as part of a CAV’s sensor system is provided, with indicators for further research.