Olivia Figueira

PromptPET: Privacy-Utility Optimized Prompt Obfuscation

Ke Yang, Olivia Figueira, Umar Iqbal, Athina Markopoulou

Privacy is an important challenge when users interact with AI chatbots, since users may share sensitive information, explicitly or implicitly, and AI chatbots can use this information for user profiling. In this paper, we aim to protect user privacy via a user-side mechanism that…Read more