Cybersecurity can unravel before a firewall ever gets involved. A VPN handshake...

https://www.random-bookmarks.win/cybersecurity-starts-with-the-cable-and-switch-not-just-software-this-article

Cybersecurity can unravel before a firewall ever gets involved. A VPN handshake that keeps failing might come down to a damaged patch lead, not a complex attack