Cybersecurity can fail before traffic reaches a firewall. This article explains...

https://harperscoolthoughts.inkharbory.com/posts/what-is-the-quickest-win-for-network-security-without-new-software

Cybersecurity can fail before traffic reaches a firewall. This article explains why cabling, switch setup and physical access matter—and how a forgotten default password on a switch can let an attacker move across the network.