The World’s first ML-Powered Next Generation Firewall The Palo Alto Networks PA-440 Series, comprising the PA-460, PA-440, PA-440, and PA-410, brings ML-Powered NGFW capabilities to distributed enterprise branch offices, retail locations, and midsize businesses. The world’s first ML-Powered Next-Generation Firewall (NGFW) enables you to prevent unknown threats, see and secure everything—including the Internet of Things (IoT)—and reduce errors with automatic policy recommendations.