Security starts with the physical network. A damaged patch lead can stop VPN...

https://wiki-quicky.win/index.php/How_to_Segment_IoT_Devices_from_Corporate_Laptops

Security starts with the physical network. A damaged patch lead can stop VPN handshakes. See how tidy cabling, secure switch settings and simple checks help prevent faults and make it harder for intruders to move between systems.