How I Detect Multi-Turn Prompt Injections Without ML

📰 Dev.to · Yohann

Detect multi-turn prompt injections without ML by analyzing conversation context, not just isolated messages

intermediate Published 7 Apr 2026
Action Steps
  1. Analyze conversation history to identify potential prompt injections
  2. Implement a context-aware scoring system to evaluate message sequences
  3. Configure a threshold for blocking suspicious messages
  4. Test the system with various multi-turn prompt injection scenarios
  5. Refine the scoring system based on test results
Who Needs to Know This

Developers and security teams can benefit from this approach to improve LLM firewall effectiveness and prevent prompt injections

Key Insight

💡 Context-aware analysis is key to detecting multi-turn prompt injections

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🚫 Detect multi-turn prompt injections without ML! Analyze conversation context, not just isolated messages 🤖

Key Takeaways

Detect multi-turn prompt injections without ML by analyzing conversation context, not just isolated messages

Full Article

Every LLM firewall I've seen analyzes each message in isolation. Send a prompt, get a score, block or...
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