Cybersecurity can fall apart before a firewall gets involved. A poor patch lead...

https://seo.edu.rs/blog/what-is-poe-and-why-does-it-matter-for-network-design-11222

Cybersecurity can fall apart before a firewall gets involved. A poor patch lead can interrupt VPN handshakes, while a switch left with its default password can give an attacker a path across the network