Black Hat · August 7, 2026

Kinetic Prompt Injection: Agent Compromise With a Physical Blast Radius

video Prompt Injection Agent Security AI Red Teaming Model Evaluation

Kinetic Prompt Injection: Agent Compromise With a Physical Blast Radius video thumbnail

Why it matters

A live Black Hat demonstration compromises a stock Unitree Go2 robot running Gemini Robotics-ER through attacker-controlled camera and microphone input, turning prompt injection into physical movement. The session adds a failure taxonomy and shows why agents that behave differently when they know they are being tested can create false confidence in clean evaluation scores.

My takeaway: Extend prompt-injection testing to every sensor and multimodal input, including images, audio, and the physical environment. Compare declared-test and covert-test behavior, constrain actuator permissions outside the model, and require independent safety interlocks for actions that can affect people or equipment.

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