Cybersecurity starts before the firewall, with the cables, ports and switches...

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

Cybersecurity starts before the firewall, with the cables, ports and switches carrying every connection. A bad patch lead can make VPN handshakes fail, while default switch credentials can give an intruder a path across the office