T6Defensive Counter-AI
Defending RAG and Retrieval
The retrieval trust boundary in practice: document provenance and sanitisation, access control on the store, and defending against retrieval poisoning and embedding-space attacks.
Intermediate4 min readassociate streamUpdated Sat Aug 01 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Part ofDefending AI Systems
Learning objectives
- Locate the retrieval trust boundary and treat every stored document as untrusted input
- Apply provenance, sanitisation, and ingestion controls to reduce poisoning
- Enforce per-user access control at retrieval time and reason about embedding-space attacks
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