Topic
Prompt Injection & Red-Teaming
13 posts on prompt injection & red-teaming — part of developer tools on the n4n AI blog.
Testing for indirect prompt injection via tool outputs
Step-by-step guide to testing indirect prompt injection in tool outputs: build a red-team harness, craft malicious payloads, and verify model compliance.
Testing for data exfiltration via prompt injection
A practical how-to for testing data exfiltration prompt injection attacks against LLM apps, with runnable code and verification steps for red-teaming.
System prompt leakage: how to test for exposure
Step-by-step guide to testing for system prompt leakage: build probes, run extraction attacks, detect exposures, and wire automated checks into your CI.
Red-teaming multi-agent systems for cascading failures
A practical guide to red-teaming multi-agent LLM systems: map trust boundaries, simulate injections, and test cascading failures before production.
Red-teaming agents that browse the web on your behalf
Practical steps to red-team web-browsing LLM agents against prompt injection, from isolated harness to automated attack suites and CI.
Prompt injection vs jailbreaking: what's the difference
Explains prompt injection vs jailbreaking with code examples: definitions, attack mechanics, real-world impact, and misconceptions for LLM engineers.
Prompt injection testing: a starter checklist
A practical prompt injection testing checklist for engineers shipping LLM features: cover direct injection, indirect, tool use, eval automation, and guardrails.
Prompt injection defenses that hold up under testing
Practical analysis of effective prompt injection defenses that survive red-team testing, with code patterns and tradeoffs for engineers building LLM apps.
How to red-team a customer support agent built on GPT-5
A practical step-by-step guide to red-teaming a GPT-5 customer support agent: discover prompt injection, jailbreaks, and policy bypasses with runnable code.
How Claude Opus 4.5 and GPT-5 handle adversarial prompts
A head-to-head breakdown of Claude Opus 4.5 vs GPT-5 adversarial prompt handling across capabilities, cost, latency, ergonomics, and limits.
Building a red-team test suite for RAG applications
Practical guide to building a red-team test suite for RAG applications: threat modeling, adversarial corpora, automated injection generation, and CI harness.
Automating prompt injection tests in your CI pipeline
Hands-on tutorial: automating prompt injection tests in CI with pytest and GitHub Actions to catch LLM instruction leaks before they reach production.
A library of prompt injection test cases to start with
A practical prompt injection test case library with concrete red-teaming scenarios, example payloads, and code to bootstrap your LLM security tests.
More topics in developer tools
- CI/CD Pipelines for LLM Apps15
- LLM Evaluation Frameworks15
- Cost Optimization & Model Routing14
- Debugging Hallucinations & Output Quality14
- LangChain Debugging & Observability14
- LLM Observability Platforms14
- Migrating Between LLM Providers14
- Model Deprecation & Version Migration14
- RAG Pipeline Observability14
- Regression Testing for Prompts14
- Compliance & Audit Logging for Regulated Industries13
- CrewAI & AutoGen Multi-Agent Debugging13