Good cybersecurity starts with the cables, ports and switches people rarely...

https://www.active-bookmarks.win/cybersecurity-can-fail-before-a-firewall-gets-a-chance-this-article-shows-how

Good cybersecurity starts with the cables, ports and switches people rarely notice. This article shows how a neglected network cupboard can undo careful security—for example, default switch credentials can let an intruder move from one system to another.