Blast Radius (AI Agent)

Security teams cannot guarantee that an agent will never be tricked or make a mistake. They can control how bad the outcome is when it happens. Blast radius makes that trade-off explicit.

Blast radius depends on:

• Data reach: How much sensitive data the agent can read or send.
• Tool power: Whether tools can write, delete, pay, deploy, or execute code.
• Credential scope: How far the agent's tokens extend across systems.
• Autonomy: How many steps the agent can take before a human sees them.
• Connectivity: Which other agents, networks, and external services it can contact.

The lethal trifecta of private data, untrusted content, and outbound communication is a useful test: an agent with all three has a large blast radius for data theft.

Teams reduce blast radius through least agency, short-lived credentials, network allowlists, human approval for destructive actions, and the ability to halt agents instantly.

How PointGuard AI Helps

PointGuard AI AI Security Posture Management maps each agent's tools, credentials, and data access to show its blast radius, and Agent Mission Control enforces mission boundaries and kill switches that keep a compromised agent's impact contained.

Learn More

• OWASP Top 10 for Agentic Applications
• OWASP LLM06:2025 Excessive Agency
• Simon Willison: The Lethal Trifecta for AI Agents