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Researchers reverse-engineer LLM prompts from output accurately

Researchers at IIT Bombay and Adobe Research demonstrate a method that reconstructs proprietary LLM prompts from model outputs with near-perfect accuracy without requiring access to model weights.

yesterday · · primary fetch1 sourceupdated yesterday ·

Researchers at IIT Bombay and Adobe Research have built an inverse language model that reconstructs the original prompt from an LLM's output with near-perfect accuracy. Their method, called "Previous-Token Prediction," doesn't need access to model weights and works across different models.

For companies relying on proprietary system prompts, this could be a serious security risk. The article Researchers can now reverse-engineer LLM prompts from output text with near-perfect accuracy appeared first on The Decoder.

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  1. the-decoder.comResearchers can now reverse-engineer LLM prompts from output text with near-perfect accuracyprimary