Cybersecurity doesn’t start at the firewall—it starts with the cables, switches...

https://shed-wiki.win/index.php/How_Do_I_Tell_If_Packet_Loss_Is_from_Cabling_or_Switching%3F

Cybersecurity doesn’t start at the firewall—it starts with the cables, switches and access points carrying your traffic. A loose patch lead can cause VPN handshakes to fail, while an unmanaged switch can give an intruder a path across the office