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

https://holdensimpressivethoughts.lumenforgex.com/posts/why-security-tools-fail-when-the-network-foundation-is-shaky

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