# Memory Poisoning in Agentic RAG: The Attack Nobody Is Defending Against

Series: Weekly AI/ML Deep Dives — Week 5 of 12 Reading Time: ~13 minutes Tags: RAG LLMs Security Agentic AI Memory Poisoning NLP Research "We spent years making AI systems smarter. We forgot to make them suspicious." Introduction: The Problem With Trusting Your Own Memory In Week 4, we discussed how Retrieval-Augmented Generation transformed LLMs by giving them access to external knowledge at inference time. RAG systems became more factual, more updateable, and more reliable....