Sangfor Network Secure (previously NGAF) is an AI-powered next-generation firewall (NGFW) that provides comprehensive protection from Layer 2 to Layer 7. The solution combines AI-based threat detection, cloud threat intelligence, web application firewall capabilities, IoT security, and SOC functionality. The firewall integrates with Engine Zero, an AI-powered malware detection engine using machine learning models to achieve 99.76% malware detection rates. It provides deep packet inspection capabilities and functions as a unified threat management solution that combines network security, application control, and threat prevention features to secure critical business systems against threats.