Google’s Approach for Secure AI Agents: An Introduction
This paper introduces Google's strategy for securing AI agents, which are autonomous systems designed to perceive, decide, and act. It highlights the unique security challenges posed by agents, such as rogue actions and sensitive data disclosure, and proposes a hybrid defense-in-depth approach. This strategy combines deterministic controls with reasoning-based defenses, guided by principles of human control, limited powers, and observability. ✨
Article Points:
1
AI agents introduce novel security risks like rogue actions and sensitive data disclosure.
2
Traditional security and purely reasoning-based approaches are insufficient for agents.
3
Google advocates a hybrid defense-in-depth strategy for agent security.
4
Core principles for agent security include human controllers, limited powers, and observability.
5
The hybrid approach combines deterministic runtime policy enforcement with reasoning-based defenses.
6
Continuous assurance efforts like testing and human review are vital for agent security.
Google’s Approach for Secure AI Agents: An Introduction
Introduction: Promise & Risks

AI agents: perceive, decide, act

New era of autonomy

Unique security challenges

Security Challenges

Unpredictable AI models

High autonomy increases risk

Alignment with user intent

Managing identity & privileges

Traditional security insufficient

Reasoning-based security insufficient

Key Risks

Rogue actions

Sensitive data disclosure

Core Principles

Human controllers

Limited powers

Observable actions

Google's Hybrid Approach

Defense-in-depth strategy

Layer 1: Deterministic measures

Layer 2: Reasoning-based defenses

Assurance Efforts

Regression testing

Variant analysis

Red teams & human reviewers