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Zero-Cost Resilience: Building a One-Shot Sanitizer Against Indirect Prompt Injection in Multi-Agent LLMs (And Why Ours Failed in QA)

This story is from 2026-10-11. It is preserved in the archive; the latest stories are on the live feed.

Zero-Cost Resilience: Building a One-Shot Sanitizer Against Indirect Prompt Injection in Multi-Agent LLMs (And Why Ours Failed in QA) Indirect Prompt Injection has rapidly emerged as a critical attack vector in modern multi-agent architectures. When autonomous agents ingest untrusted inputs—such as…

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  1. 2026-10-11 07:00 · DEV Community — AI
    Zero-Cost Resilience: Building a One-Shot Sanitizer Against Indirect Prompt Injection in Multi-Agent LLMs (And Why Ours Failed in QA)

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