Fabio Petti

RAG Shield: A Multi-Layer Defense System Against Poisoning Attacks in Retrieval-Augmented Generation

2026 · Zenodo (CERN European Organization for Nuclear Research)

This whitepaper presents RAG Shield, a security-focused framework fordefending Retrieval-Augmented Generation (RAG) pipelines againstpoisoning and adversarial manipulation at the retrieval layer. The work introduces a multi-layer defense architecture combiningcryptographic document provenance validation, semantic anomaly detection,and …