Cybersecurity starts with the cables, ports and switches people rarely notice....

https://www.cyberdaily.au/strategy/14271-why-physical-network-infrastructure-is-the-overlooked-foundation-of-your-cybersecurity-strategy

Cybersecurity starts with the cables, ports and switches people rarely notice. A switch left with its default password can give an intruder a path from a meeting-room device into business systems. The article shows why the physical layer matters.