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Large language models (LLMs) are increasingly being used in privacy pipelines to detect and remedy sensitive data leakage. These solutions often rely on the premise that LLMs can reliably recognize human names, one of the most important…

Cryptography and Security · Computer Science 2026-04-28 Dzung Pham , Peter Kairouz , Niloofar Mireshghallah , Eugene Bagdasarian , Chau Minh Pham , Amir Houmansadr

Large Language Models (LLMs) have become integral to numerous domains, significantly advancing applications in data management, mining, and analysis. Their profound capabilities in processing and interpreting complex language data, however,…

Cryptography and Security · Computer Science 2024-09-09 Qinbin Li , Junyuan Hong , Chulin Xie , Jeffrey Tan , Rachel Xin , Junyi Hou , Xavier Yin , Zhun Wang , Dan Hendrycks , Zhangyang Wang , Bo Li , Bingsheng He , Dawn Song

With the rapid development of artificial intelligence, large language models (LLMs) have made remarkable advancements in natural language processing. These models are trained on vast datasets to exhibit powerful language understanding and…

Cryptography and Security · Computer Science 2025-09-22 Shang Wang , Tianqing Zhu , Bo Liu , Ming Ding , Dayong Ye , Wanlei Zhou , Philip S. Yu

Anonymizing text that contains sensitive information is crucial for a wide range of applications. Existing techniques face the emerging challenges of the re-identification ability of large language models (LLMs), which have shown advanced…

Computation and Language · Computer Science 2025-06-19 Tianyu Yang , Xiaodan Zhu , Iryna Gurevych

Large Language Models (LLMs) such as ChatGPT can infer personal attributes from seemingly innocuous text, raising privacy risks beyond memorized data leakage. While prior work has demonstrated these risks, little is known about how users…

Human-Computer Interaction · Computer Science 2025-09-16 Synthia Wang , Sai Teja Peddinti , Nina Taft , Nick Feamster

Large Language Models (LLMs) have demonstrated extraordinary capabilities and contributed to multiple fields, such as generating and summarizing text, language translation, and question-answering. Nowadays, LLM is becoming a very popular…

Computation and Language · Computer Science 2024-11-18 Badhan Chandra Das , M. Hadi Amini , Yanzhao Wu

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), such as ChatGPT and Bard, have revolutionized natural language understanding and generation. They possess deep language comprehension, human-like text generation capabilities, contextual awareness, and robust…

Cryptography and Security · Computer Science 2024-03-22 Yifan Yao , Jinhao Duan , Kaidi Xu , Yuanfang Cai , Zhibo Sun , Yue Zhang

The emergence of ChatGPT marks the arrival of the large language model (LLM) era. While LLMs demonstrate their power in a variety of fields, they also raise serious privacy concerns as the users' queries are sent to the model provider. On…

Cryptography and Security · Computer Science 2024-05-30 Fei Zheng , Chaochao Chen , Zhongxuan Han , Xiaolin Zheng

Large language models (LLMs) do not preserve privacy at inference-time. The LLM's outputs can inadvertently reveal information about the model's context, which presents a privacy challenge when the LLM is augmented via tools or databases…

Computation and Language · Computer Science 2026-02-03 Rushil Thareja , Preslav Nakov , Praneeth Vepakomma , Nils Lukas

Large language model (LLM) platforms, such as ChatGPT, have recently begun offering an app ecosystem to interface with third-party services on the internet. While these apps extend the capabilities of LLM platforms, they are developed by…

Cryptography and Security · Computer Science 2024-07-30 Umar Iqbal , Tadayoshi Kohno , Franziska Roesner

Large Language Models (LLMs) have transformed natural language processing (NLP) by enabling robust text generation and understanding. However, their deployment in sensitive domains like healthcare, finance, and legal services raises…

Artificial Intelligence · Computer Science 2024-12-09 Georgios Feretzakis , Vassilios S. Verykios

Popular large language model (LLM) chatbots such as ChatGPT and Claude require users to create an account with an email or a phone number before allowing full access to their services. This practice ties users' personally identifiable…

Cryptography and Security · Computer Science 2025-06-12 Dzung Pham , Jade Sheffey , Chau Minh Pham , Amir Houmansadr

Over the last year, significant advancements have been made in the realms of large language models (LLMs) and multi-modal large language models (MLLMs), particularly in their application to autonomous driving. These models have showcased…

Robotics · Computer Science 2024-06-11 Xiangrui Kong , Thomas Braunl , Marco Fahmi , Yue Wang

Large language models (LLMs), renowned for their impressive capabilities in various tasks, have significantly advanced artificial intelligence. Yet, these advancements have raised growing concerns about privacy and security implications. To…

Artificial Intelligence · Computer Science 2024-03-28 Yuqi Yang , Xiaowen Huang , Jitao Sang

The interactive use of large language models (LLMs) in AI assistants (at work, home, etc.) introduces a new set of inference-time privacy risks: LLMs are fed different types of information from multiple sources in their inputs and are…

Artificial Intelligence · Computer Science 2024-07-02 Niloofar Mireshghallah , Hyunwoo Kim , Xuhui Zhou , Yulia Tsvetkov , Maarten Sap , Reza Shokri , Yejin Choi

Prominent Large Language Model (LLM) services from providers like OpenAI and Google excel at general tasks but often underperform on domain-specific applications. Current customization services for these LLMs typically require users to…

Machine Learning · Computer Science 2026-02-17 Zhaomin Wu , Jizhou Guo , Junyi Hou , Bingsheng He , Lixin Fan , Qiang Yang

Nowadays, large language models (LLMs) have been integrated with conventional recommendation models to improve recommendation performance. However, while most of the existing works have focused on improving the model performance, the…

Computation and Language · Computer Science 2024-06-04 Sichun Luo , Wei Shao , Yuxuan Yao , Jian Xu , Mingyang Liu , Qintong Li , Bowei He , Maolin Wang , Guanzhi Deng , Hanxu Hou , Xinyi Zhang , Linqi Song

Mobile Large Language Models (LLMs) are revolutionizing diverse fields such as healthcare, finance, and education with their ability to perform advanced natural language processing tasks on-the-go. However, the deployment of these models in…

Cryptography and Security · Computer Science 2025-09-03 Honghui Xu , Kaiyang Li , Wei Chen , Danyang Zheng , Zhiyuan Li , Zhipeng Cai

As Large Language Models (LLMs) become integral to scientific workflows, concerns over the confidentiality and ethical handling of confidential data have emerged. This paper explores data exposure risks through LLM-powered scientific tools,…

Human-Computer Interaction · Computer Science 2025-04-15 Yashothara Shanmugarasa , Shidong Pan , Ming Ding , Dehai Zhao , Thierry Rakotoarivelo