Fastly Expands AI Security Portfolio with AI Firewall and Runtime…

Event summary

Fastly launched AI Runtime Control, AI Firewall, and new API Security capabilities on September 21, 2026.
Machine-generated traffic crossed 50% on Fastly’s network in July and August 2026.
AI traffic grew 6.5 times faster than human traffic from January through May 2026.
McKinsey found that 93% of organizations are exceeding their AI budgets.

The big picture

As enterprise AI shifts from experimentation to business-critical production, the focus turns to leveraging AI safely at scale. Fastly’s new capabilities aim to address the growing need for real-time control over model routing, spend, agent authorization, response optimization, and service reliability. The launch comes amid rising financial pressure, with 93% of organizations exceeding their AI budgets, highlighting the strategic importance of governance and security in AI deployment.

What we're watching

AI Traffic Growth: How the rapid growth of AI traffic will impact Fastly’s network capacity and infrastructure demands.
AI Security Adoption: Whether enterprises will widely adopt Fastly’s AI security solutions to mitigate LLM-based attacks and govern AI usage.
Budget Control: The pace at which organizations can control AI spending and prevent budget overruns using Fastly’s AI Runtime Control.