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Yunji Kim

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#artificial intelligence Preprint Aug 2026

Will the User Ever Know? Covert Indirect Prompt Injection Attacks on Tool-Using LLM Agents

ICoA (Induced Covert Attack), an IPI attack designed to induce covert outcomes by steering the agent back to the user task by steering the agent back to the user task after executing the injection is proposed.

Yunseok Lee, Yunji Kim, Woo-Jin Lee · 0 citations