In this podcast I talk about a wide variety of cyber physical systems and possible threats. This includes drones and resource-constrained IoT boards that are being assembled for the Generalised Context Privacy project. In this project the core problem that is being looked at is the amount of information that cyber physical systems convey to an adversary. This podcast highlights the difference between data versus information, especially the information that an adversary gains from observations. A real challenge remains that cyber security fundamentals remain hard for organisations, so challenging threats such as these are rarely considered.