I feel Palo Alto is more advanced and has better features than ASA.
Palo Alto Networks Advanced Threat Prevention delivers powerful anti-malware protection and exceptional next-generation firewall capabilities, enhancing application performance via bandwidth control and robust scalability. It rapidly detects threats using machine learning and integrates with the Cyber Threat Alliance. However, improvement is needed in African technical support, mail security solutions, and AI analytics. Licenses are costly, and installation is complex, demanding significant downtime and competitive pricing.