A secure network starts with the cables, ports and switch settings people...

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

A secure network starts with the cables, ports and switch settings people rarely see. A misplaced patch lead can send traffic where it shouldn’t; default switch passwords can help an intruder move across the office. See why the basics matter.