Next-Generation Firewalls remain a vital component of network security for both enterprises and critical infrastructures. It offers flexible deployments from edge to core, data center, and internal segments and clouds. This is AI-driven threat protection inspecting both clear and encrypted data. This kind of firewall performs deep packet inspection, application control, intrusion prevention, and advanced visibility across the network. It blocks malware with the flexibility to adapt to the evolving threat landscape by having paths for future updates.