Firewall with Tunnel - Network Security Concept Illustration #107520 (License: Personal Use)

This isometric illustration shows a red brick wall representing a digital firewall, with a polished metal tunnel penetrating it to symbolize encrypted or authorized data pathways like VPNs or DMZs. The clean, modern vector style emphasizes clarity and technical accuracy, making it ideal for cybersecurity documentation. The orange outline highlights structural integrity and intentional design.

Used in IT security articles, cloud networking tutorials, and cybersecurity training materials to visualize concepts like secure tunnels, firewall exceptions, and zero-trust architecture. Matches user intent for understanding how traffic bypasses or traverses security controls.