Palo Alto Networks’ Portkey Deal Targets The Agentic AI Attack Surface Prisma AIRS Was Missing!

Palo Alto Networks has moved deeper into AI security with its planned acquisition of Portkey, an AI gateway provider designed to manage and secure autonomous agent traffic across enterprise systems. The transaction, expected to close in fiscal Q4 2026 subject to customary conditions, comes shortly after Palo Alto highlighted rapid adoption of Prisma AIRS, its AI security platform, which crossed 100 customers in Q2 FY2026 and built a nine-figure pipeline. Portkey processes trillions of tokens per month with low latency and acts as a centralized control plane for AI workloads, giving enterprises visibility, routing, governance, and runtime security over AI transactions. This fits directly into Palo Alto’s broader platformization strategy, which is already expanding across network security, SASE, Cortex, identity through CyberArk, observability through Chronosphere, and endpoint AI protection through Koi. The deal could strengthen Prisma AIRS at a time when autonomous agents are becoming a new enterprise attack surface.