arXiv AI By Ke Yang, Olivia Figueira, Umar Iqbal, Athina Markopoulou

PromptPET: Privacy-Utility Optimized Prompt Obfuscation

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arXiv:2607. 02932v1 Announce Type: cross Abstract: 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.

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arXiv AI
Jun 4

Need to Know: Contextual-Integrity-Grounded Query Rewriting for Privacy-Conscious LLM Delegation

arXiv:2606. 04067v1 Announce Type: cross Abstract: As LLMs become increasingly woven into everyday workflows, user queries sent to cloud hosted LLMs routinely mix task-essential content with task non-essential sensitive disclosures, yet type based PII redaction is context agnostic and may raise two issues: over disclosing untyped sensitive context and over removing answer bearing spans.

By Xinyue Huang, Xiaochun Cao, Wenyuan Yang