Palo Alto Networks PA-5500 Series Quantum Optimized Next-Generation Firewalls (NGFW)—comprising the PA-5580, PA-5570, PA-5560, PA-5550, and PA-5540 —are ideal for high-speed data center, internet gateway, and service provider deployments. The PA-5500 Series NGFWs provide visibility into and secure all traffic, including Post-Quantum encrypted traffic.