In 2025, enterprises generated nearly one trillion AI/ML transactions across the Zscaler cloud—expanding the enterprise attack surface and making scalable AI security a practical necessity. 

AI saw 91% rise in adoption in 2025. Is your enterprise ready for 2026?

Zscaler ThreatLabz unpacks how enterprises are navigating the rapid expansion of AI and the security tradeoffs that come with it, drawing on telemetry from the world’s largest security cloud.

In this report, you’ll learn the latest about: 

  • How and where enterprises are adopting AI, from top LLM platforms and application store the teams and regions driving usage
  • Where AI introduces risk and threats, from inherent vulnerabilities to AI-enabled attacks
  • What to expect in 2026, with predictions on AI’s trajectory and related security implications
  • How to secure AI in practice, with proven approaches for enabling GenAI adoption at enterprise scale
threatlabz-2026-ai-security-report

Key AI stats from Zscaler

39%

of all AI/ML transactions were blocked by organizations

Top 3

blocked applications: Grammarly, GitHub Copilot, ChatGPT

18K TB

of data transferred to AI/ML applications