Cybersecurity can fail before a firewall gets involved. A damaged patch lead...

https://felixssuperperspective.brightsora.com/posts/what-should-be-in-a-network-diagram-for-security-audits

Cybersecurity can fail before a firewall gets involved. A damaged patch lead can stop VPN handshakes, while default switch credentials can give an intruder a path across the office. See why the physical network deserves attention.