Author

Vincent Li

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Preprint Jul 2026

RAGuard: A Layered Defense Framework for Retrieval-Augmented Generation Systems Against Data Poisoning

RAGuard, a layered defense against corpus-poisoning attacks on RAG pipelines, is introduced, showing that keyword-preserving poisons leave lexical retrievers such as BM25 essentially unaffected, an observation that delineates the boundary of the threat model.

Pushkal Kumar, Tucker Nielson, Tanish Kolhe et al. · 3 citations · ⚡1