TheBitCast

One Network to Rule Them All : How a Missing VLAN Strategy Turned Smart City Infrastructure into a Cybersecurity Nightmare

Podcast: IT Horror Stories with Jack Smith · Jack Smith

Opublikowano: 2026-07-20

Smart cities promise better transportation, connected infrastructure, and improved services—but what happens when everything is connected a little too well? In this episode, our guest shares the story of a security assessment in a major metropolitan smart city where network segmentation had been overlooked, creating unexpected paths between public networks and critical infrastructure. One memorable discovery showed that, with nothing more than the correct IP address, it was possible to operate a parking garage barrier from the city's public Wi-Fi while riding a bus on the opposite side of town. Together, we explore why VLANs an...