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deepmind.google·6d ago
AI Engineering
Hacker News·19d ago·5 min read
Show HN: ReasonGate- An explainable gate that blocks LLM prompt injection
TL;DR
ReasonGate is an explainable security gate designed to prevent prompt injection attacks on large language model (LLM) applications. It ensures that every decision made by the LLM is auditable, providing transparency in its operations.
✦ Why It Matters
Integrate ReasonGate into your LLM applications today to enhance security against prompt injection attacks.
Key Takeaways
- Use ReasonGate to inspect LLM input and output for security.
- Leverage the tool's structured audit records for compliance.
- Combine ReasonGate with an ML add-on for better detection.
- Run ReasonGate as a first filter in a multi-layered defense.
How It Works
ReasonGate operates through a pipeline that first normalizes input to remove disguises, then matches known attack patterns, scans context for indirect injections, and checks outputs for sensitive information. This layered approach allows it to effectively block many obfuscated prompt injections while providing explainable decisions for each action taken.
⚠ The Catch
ReasonGate does not detect reworded or semantically novel prompt injections, which require a separate ML-based solution for effective detection.