Google CISO Phil Venables: Defense Against AI Attacks Needs Autonomy, Not Just Speed
philvenables · x · 2026-09-22
Phil Venables, CISO of Google Cloud, argues how to counter AI-driven offenses at machine speed:
- Baseline controls remain foundational: AI should be used to defend against AI, but not as a substitute for increasingly strong baseline controls.
- Speed is necessary but not sufficient: AI attackers can generate many novel exploit paths; by Ashby's Law, static playbooks—even automated—will be outmatched. Defense systems must generate novel responses, which autonomic approaches enable.
- Humans shift roles: from human-in-the-loop (triaging alerts, running scripts) to human-on-the-loop (setting risk tolerances and operational boundaries), which becomes the core measure of success.
He expects coordinated swarms of agent attackers to become the norm, requiring agent-based defensive responses.
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