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Related papers: Confidential Prompting: Privacy-preserving LLM Inf…

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Large language models (LLMs) have presented outstanding performance in code generation and completion. However, fine-tuning these models on private datasets can raise privacy and proprietary concerns, such as the leakage of sensitive…

Cryptography and Security · Computer Science 2026-01-16 Zheng Liu , Chen Gong , Terry Yue Zhuo , Kecen Li , Weichen Yu , Matt Fredrikson , Tianhao Wang

The widespread use of cloud-based Large Language Models (LLMs) has heightened concerns over user privacy, as sensitive information may be inadvertently exposed during interactions with these services. To protect privacy before sending…

Computation and Language · Computer Science 2025-05-28 Shuo Huang , William MacLean , Xiaoxi Kang , Qiongkai Xu , Zhuang Li , Xingliang Yuan , Gholamreza Haffari , Lizhen Qu

Large Language Models (LLMs) are combined with tools to create powerful LLM agents that provide a wide range of services. Unlike traditional software, LLM agent's behavior is determined at runtime by natural language prompts from either…

Cryptography and Security · Computer Science 2025-04-22 Juhee Kim , Woohyuk Choi , Byoungyoung Lee

Deploying large language model (LLM)-driven conversational agents in enterprise settings requires prompts that are simultaneously correct at launch and resilient to the non-deterministic behavioral drift that characterizes production LLM…

Artificial Intelligence · Computer Science 2026-05-18 Keshava Chaitanya , Jahnavi Gundakaram

This study explores the use of Large Language Models (LLMs) to analyze text comments from Reddit users, aiming to achieve two primary objectives: firstly, to pinpoint critical excerpts that support a predefined psychological assessment of…

Computation and Language · Computer Science 2024-02-07 Sergi Blanco-Cuaresma

Intelligent devices have become deeply integrated into everyday life, generating vast amounts of user interactions that form valuable personal knowledge. Efficient organization of this knowledge in user memory is essential for enabling…

Computation and Language · Computer Science 2026-02-13 Yijie Zhong , Mengying Guo , Zewei Wang , Zhongyang Li , Dandan Tu , Haofen Wang

Large language models (LLMs) are increasingly adapted to proprietary and domain-specific corpora that contain sensitive information, creating a tension between formal privacy guarantees and efficient deployment through model compression.…

Machine Learning · Computer Science 2026-04-07 Fatemeh Khadem , Sajad Mousavi , Yi Fang , Yuhong Liu

LLM-powered chatbots are becoming widely adopted in applications such as healthcare, personal assistants, industry hiring decisions, etc. In many of these cases, chatbots are fed sensitive, personal information in their prompts, as samples…

Computation and Language · Computer Science 2023-05-25 Aman Priyanshu , Supriti Vijay , Ayush Kumar , Rakshit Naidu , Fatemehsadat Mireshghallah

Qualitative data analysis is labor-intensive, yet the privacy risks associated with commercial Large Language Models (LLMs) often preclude their use in sensitive research. To address this, we introduce ChatQDA, an on-device framework…

Human-Computer Interaction · Computer Science 2026-02-23 Tung T. Ngo , Dai Nguyen Van , Anh-Minh Nguyen , Phuong-Anh Do , Anh Nguyen-Quoc

Privacy-preserving machine learning (PPML) based on cryptographic protocols has emerged as a promising paradigm to protect user data privacy in cloud-based machine learning services. While it achieves formal privacy protection, PPML often…

Cryptography and Security · Computer Science 2025-07-22 Wenxuan Zeng , Tianshi Xu , Yi Chen , Yifan Zhou , Mingzhe Zhang , Jin Tan , Cheng Hong , Meng Li

The fast development of large language models (LLMs) and popularization of cloud computing have led to increasing concerns on privacy safeguarding and data security of cross-cloud model deployment and training as the key challenges. We…

Cryptography and Security · Computer Science 2025-03-18 Ze Yang , Yihong Jin , Yihan Zhang , Juntian Liu , Xinhe Xu

Privacy-preservation for sensitive data has become a challenging issue in cloud computing. Threat modeling as a part of requirements engineering in secure software development provides a structured approach for identifying attacks and…

Software Engineering · Computer Science 2016-01-08 Ali Gholami , Erwin Laure

The performance of modern machine learning systems depends on access to large, high-quality datasets, often sourced from user-generated content or proprietary, domain-specific corpora. However, these rich datasets inherently contain…

Cryptography and Security · Computer Science 2025-08-28 Zhan Shi , Yefeng Yuan , Yuhong Liu , Liang Cheng , Yi Fang

The high cost of ownership of AI compute infrastructure and challenges of robust serving of large language models (LLMs) has led to a surge in managed Model-as-a-service deployments. Even when enterprises choose on-premises deployments, the…

Machine Learning · Computer Science 2025-06-12 Jay Roberts , Kyle Mylonakis , Sidhartha Roy , Kaan Kale

Confidential computing alleviates the concerns of distrustful customers by removing the cloud provider from their trusted computing base and resolves their disincentive to migrate their workloads to the cloud. This is facilitated by new…

Cryptography and Security · Computer Science 2024-02-26 Anna Galanou , Khushboo Bindlish , Luca Preibsch , Yvonne-Anne Pignolet , Christof Fetzer , Rüdiger Kapitza

A conversation with a large language model (LLM) is a sequence of prompts and responses, with each response generated from the preceding conversation. AI agents build such conversations automatically: given an initial human prompt, a…

Programming Languages · Computer Science 2026-02-24 Zac Garby , Andrew D. Gordon , David Sands

The privacy concerns associated with the use of Large Language Models (LLMs) have grown recently with the development of LLMs such as ChatGPT. Differential Privacy (DP) techniques are explored in existing work to mitigate their privacy…

Artificial Intelligence · Computer Science 2024-03-08 Tiejin Chen , Longchao Da , Huixue Zhou , Pingzhi Li , Kaixiong Zhou , Tianlong Chen , Hua Wei

As usage of generative AI tools skyrockets, the amount of sensitive information being exposed to these models and centralized model providers is alarming. For example, confidential source code from Samsung suffered a data leak as the text…

Cryptography and Security · Computer Science 2024-10-01 Manil Shrestha , Yashodha Ravichandran , Edward Kim

The privacy of data is a major challenge in machine learning as a trained model may expose sensitive information of the enclosed dataset. Besides, the limited computation capability and capacity of edge devices have made cloud-hosted…

Machine Learning · Computer Science 2020-05-15 Behnam Khaleghi , Mohsen Imani , Tajana Rosing

Detecting personally identifiable information (PII) in user queries is critical for ensuring privacy in question-answering systems. Current approaches mainly redact all PII, disregarding the fact that some of them may be contextually…

Cryptography and Security · Computer Science 2026-02-11 Mariia Ponomarenko , Sepideh Abedini , Masoumeh Shafieinejad , D. B. Emerson , Shubhankar Mohapatra , Xi He