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

https://seo.edu.rs/blog/what-is-poe-and-why-does-it-matter-for-network-design-11222

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.