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id: "/security-and-red-teaming/agent-and-tool-security/"
title: "Agent And Tool Security: 2 curated resources"
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url: "https://skillissue.dev/security-and-red-teaming/agent-and-tool-security/"
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---

# Agent And Tool Security: 2 curated resources

Curated material on agent and tool security within security and red teaming.

[Beginner](/security-and-red-teaming/beginner/index.md) [Intermediate](/security-and-red-teaming/intermediate/index.md) [Advanced](/security-and-red-teaming/advanced/index.md) [Expert](/security-and-red-teaming/expert/index.md)

2 resources · page 1 of 1

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### [The lethal trifecta for AI agents](/security-and-red-teaming/agent-and-tool-security/willison-lethal-trifecta/index.md)

by [Simon Willison](https://simonwillison.net/2025/Jun/16/the-lethal-trifecta/)

A defensive framework for recognizing risky combinations of agent capabilities and untrusted inputs.

Intermediate · West · closed resource · en

- 

### [Design Patterns for Securing LLM Agents against Prompt Injections](/security-and-red-teaming/agent-and-tool-security/willison-prompt-injection-design-patterns/index.md)

by [Simon Willison](https://simonwillison.net/2025/Jun/13/prompt-injection-design-patterns/)

Summary of a paper's defensive agent architectures.

Advanced · West · closed resource · en

[Plain-text Markdown copy](/security-and-red-teaming/agent-and-tool-security/index.md)