This podcast from Transport Security International Magazine focuses on perimeter security solutions across various transport sectors, including aviation, rail, and road. It outlines the three pillars of effective security: deter, detect, and delay, illustrating how these are implemented through physical barriers, detection systems, and response strategies. The podcast highlights the unique challenges and evolving threats faced by each sector, such as drone incursions in aviation and cable theft in rail, alongside the increasing importance of integrated, intelligent security systems. It also explores the distinction between the proactive security measures of large organisations versus the reactive approaches of smaller entities, underscoring the need for tailored solutions that balance security effectiveness with operational demands and aesthetics.