First reported akamai.com
Research · latest
First reported arxiv.org
A Layered Security Framework Against Prompt Injection in RAG-Based Chatbots
A research paper by Gulshan Saleem and colleagues presents a three-layer middleware framework to defend RAG-based chatbots against both direct and indirect prompt injection, combining input screening, a provenance-based instruction hierarchy during context assembly, and output auditing. Evaluated on 5,080 samples across GPT-4o, Llama 3, and Mistral 7B, the framework reduced Attack Success Rate from 71.4% to 11.3% while maintaining a 4.8% false positive rate and 61.2 ms median latency overhead. Details →How the wire is made
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