# The 0.1% Problem: How One in a Thousand Documents Can Hijack an AI Agent

- slug: the-01-problem-how-one-in-a-thousand-documents-can-hijack-an-ai-agent
- date: 2026-04-07
- category: Artificial Intelligence

Corrupting fewer than one in a thousand documents in a knowledge base is enough to hijack an AI agent that reads from it — DeepMind’s new taxonomy of agent attacks reveals six ways to compromise autonomous systems, and the most dangerous one requires almost no foothold at all.

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