IoT Broke the Network Perimeter ? Audit Is Still Looking for the Fence..
IoT Broke the Network Perimeter : Audit Is Still Looking for the Fence There is something quietly outdated about how many IT audits still “walk the network”. They trace boundaries, review firewall rules, validate segmentation, and confirm that traffic flows are controlled. The exercise assumes that somewhere in the architecture, a fence still exists — and that meaningful security assurance comes from checking its strength. IoT makes that exercise increasingly symbolic. The problem is not that organisations have added more devices. It is that they have introduced entities that do not behave like traditional IT assets , yet audits continue to assess them as if they do. Sensors, cameras, smart meters, medical devices, and embedded controllers operate continuously, authenticate weakly, and often communicate directly with cloud services outside organisational visibility. They are present everywhere and owned by no one in particular. Audit, meanwhile, still looks for the fence. Fr...