OSI model security architecture, futuristic sci-fi theme, modern skyscraper background, complex network of wires, circuits, and motherboards, neon lights reflecting off metallic surfaces, sleek lines, angular shapes, high-tech gadgets, holographic displays, 3D projections, secure encryption symbols, firewall icons, antivirus software logos, biometric authentication systems, fingerprint scanning devices, retinal scanners, facial recognition technology, robotic security guards, AI-powered surveillance systems, panoramic view, low-angle shot, cinematic lighting, atmospheric fog effect.