advanced·Security & Risk·2-3 hours

AI Agent Least-Privilege & Blast-Radius Review

A least-privilege permission set for the agent, a worst-case blast-radius comparison, and specific monitoring recommendations.

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Recommended modelClaude Opus 4.7

Deep reasoning for incident triage and adversarial scenarios

What you need to fill in

[describe: e.g., automates ticket triage, has file-system + email + internal API access][list everything it can read/write/execute][always-on service / triggered by user request / fully autonomous loop]

Tools used

ClaudeClaude Code

The prompt

"Review the permission scope of an AI agent we're deploying and help me minimize its blast radius if it's ever compromised or misbehaves. Agent's purpose: [describe: e.g., automates ticket triage, has file-system + email + internal API access] Current permissions/credentials it holds: [list everything it can read/write/execute] How it's invoked: [always-on service / triggered by user request / fully autonomous loop] Please: 1. Flag every permission that exceeds what the stated purpose actually requires 2. Propose a least-privilege version — what could be read-only, time-boxed, or removed entirely 3. Identify the worst plausible outcome if this agent's reasoning were manipulated (prompt injection, poisoned tool output) under current permissions vs. the reduced set 4. Suggest monitoring/alerting that would catch misuse specific to this agent's scope"

Open in Claude

Sample output

**Excess permissions found:** Agent holds write access to the production email-send API but only ever needs to draft, not send; holds full filesystem read when it only touches /tickets/. **Least-privilege version:** Scope filesystem access to /tickets/ only; downgrade email to draft-only with human send approval; add a 15-minute credential TTL instead of a standing service account. **Blast radius comparison:** Current — a poisoned ticket could trigger unsolicited mass email + exfiltrate unrelated files. Reduced — worst case is a bad draft awaiting human approval. **Monitoring:** Alert on any filesystem read outside /tickets/, and on any API call attempted outside the agent's declared tool list.

Try with these tools

claude claude code

securityai-agentsleast-privilegeprompt-injection

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