Papers by Zhihua Jin
PromptKeeper: Safeguarding System Prompts for LLMs (2025.findings-emnlp)
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| Challenge: | PromptKeeper is a defense mechanism designed to safeguard system prompts . adversarial and regular queries can exploit LLM vulnerabilities to expose hidden prompts. |
| Approach: | PromptKeeper is a defense mechanism designed to safeguard system prompts . it detects both explicit and subtle leakage and regenerates responses using a dummy prompt . |
| Outcome: | PromptKeeper detects and mitigates side-channel vulnerabilities when prompts are exposed . it regenerates responses using a dummy prompt, ensuring outputs remain indistinguishable from typical interactions . |