Palo Alto Networks (PANW) Launches AI Cybersecurity Service Using Anthropic, OpenAI Models

Palo Alto Networks said on September 22, 2026 it would launch a new cybersecurity service for businesses, using advanced AI models from Anthropic and OpenAI to identify security vulnerabilities across corporate systems. The service, called Unit 42 Continuous Frontier AI Defense, will use cyber-focused models including Anthropic's Claude Mythos 5 and OpenAI's GPT-5.6-Cyber, alongside open-weight models. It is designed to continuously test web applications, APIs and cloud infrastructure, helping customers identify vulnerabilities and potential attack paths as their digital environments change. The offering will also provide guidance on fixing security gaps, including code-level fixes and virtual patching options. Palo Alto said the service would be available globally through annual subscriptions, with pricing based on the mix of OpenAI, Anthropic and open-source models selected by customers. The move comes as hackers increasingly use AI to find and exploit weaknesses in corporate networks, prompting cybersecurity firms to build faster, AI-driven defenses.