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

https://felixssuperperspective.brightsora.com/posts/is-cat6a-worth-it-for-10gb-s-over-100-metres

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.