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Recent advancements in large language models (LLMs) have significantly enhanced capabilities in natural language processing and artificial intelligence. These models, including GPT-3.5 and LLaMA-2, have revolutionized text generation,…

Computation and Language · Computer Science 2024-02-06 Yunhong He , Jianling Qiu , Wei Zhang , Zhengqing Yuan

Large language models (LLMs) are rapidly being adopted for tasks like drafting emails, summarizing meetings, and answering health questions. In these settings, users may need to share private information (e.g., contact details, health…

Computation and Language · Computer Science 2026-01-16 Xiaoyuan Wu , Roshni Kaushik , Wenkai Li , Lujo Bauer , Koichi Onoue

Adapting Large Language Models (LLMs) to specific tasks introduces concerns about computational efficiency, prompting an exploration of efficient methods such as In-Context Learning (ICL). However, the vulnerability of ICL to privacy…

Cryptography and Security · Computer Science 2024-09-04 Rui Wen , Zheng Li , Michael Backes , Yang Zhang

The community explored to build private inference frameworks for transformer-based large language models (LLMs) in a server-client setting, where the server holds the model parameters and the client inputs its private data (or prompt) for…

Machine Learning · Computer Science 2023-12-18 Xuanqi Liu , Zhuotao Liu

This paper presents a novel application of large language models (LLMs) to enhance user comprehension of privacy policies through an interactive dialogue agent. We demonstrate that LLMs significantly outperform traditional models in tasks…

Human-Computer Interaction · Computer Science 2024-10-17 Bolun Sun , Yifan Zhou , Haiyun Jiang

The rapid deployment of large language models (LLMs) in consumer applications has led to frequent exchanges of personal information. To obtain useful responses, users often share more than necessary, increasing privacy risks via…

Machine Learning · Computer Science 2025-10-07 Jijie Zhou , Niloofar Mireshghallah , Tianshi Li

Large Language Models (LLMs) are increasingly deployed as agents that orchestrate tasks and integrate external tools to execute complex workflows. We demonstrate that these interactive behaviors leave distinctive fingerprints in encrypted…

Cryptography and Security · Computer Science 2025-10-09 Yixiang Zhang , Xinhao Deng , Zhongyi Gu , Yihao Chen , Ke Xu , Qi Li , Jianping Wu

In everyday conversations, humans can take on different roles and adapt their vocabulary to their chosen roles. We explore whether LLMs can take on, that is impersonate, different roles when they generate text in-context. We ask LLMs to…

Artificial Intelligence · Computer Science 2023-11-28 Leonard Salewski , Stephan Alaniz , Isabel Rio-Torto , Eric Schulz , Zeynep Akata

Large scale adoption of large language models has introduced a new era of convenient knowledge transfer for a slew of natural language processing tasks. However, these models also run the risk of undermining user trust by exposing unwanted…

Computation and Language · Computer Science 2022-04-21 Richard Plant , Valerio Giuffrida , Dimitra Gkatzia

This is the first survey of the active area of AI research that focuses on privacy issues in Large Language Models (LLMs). Specifically, we focus on work that red-teams models to highlight privacy risks, attempts to build privacy into the…

Artificial Intelligence · Computer Science 2024-06-03 Seth Neel , Peter Chang

The number and dynamic nature of web and mobile applications presents significant challenges for assessing their compliance with data protection laws. In this context, symbolic and statistical Natural Language Processing (NLP) techniques…

Computation and Language · Computer Science 2025-12-22 David Rodriguez , Ian Yang , Jose M. Del Alamo , Norman Sadeh

Large language models (LLMs) are increasingly integrated into daily life through conversational interfaces, processing user data via natural language inputs and exhibiting advanced reasoning capabilities, which raises new concerns about…

Human-Computer Interaction · Computer Science 2026-02-12 Zhuoyang Li , Yanlai Wu , Yao Li , Xinning Gui , Yuhan Luo

Large Language Models (LLMs) have achieved remarkable performance and received significant research interest. The enormous computational demands, however, hinder the local deployment on devices with limited resources. The current prevalent…

Cryptography and Security · Computer Science 2026-02-13 Yujie Gu , Richeng Jin , Xiaoyu Ji , Yier Jin , Wenyuan Xu

Language model (LM) agents that act on users' behalf for personal tasks (e.g., replying emails) can boost productivity, but are also susceptible to unintended privacy leakage risks. We present the first study on people's capacity to oversee…

Human-Computer Interaction · Computer Science 2025-10-07 Zhiping Zhang , Bingcan Guo , Tianshi Li

Recent advancements in generative large language models (LLMs) have enabled wider applicability, accessibility, and flexibility. However, their reliability and trustworthiness are still in doubt, especially for concerns regarding…

Computation and Language · Computer Science 2025-05-26 Haoran Li , Wenbin Hu , Huihao Jing , Yulin Chen , Qi Hu , Sirui Han , Tianshu Chu , Peizhao Hu , Yangqiu Song

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

Large language models (LLMs) have traditionally relied on static training data, limiting their knowledge to fixed snapshots. Recent advancements, however, have equipped LLMs with web browsing capabilities, enabling real time information…

Computation and Language · Computer Science 2025-07-17 Meysam Alizadeh , Fabrizio Gilardi , Zeynab Samei , Mohsen Mosleh

Large Language Models (LLMs) have demonstrated an alarming ability to impersonate humans in conversation, raising concerns about their potential misuse in scams and deception. Humans have a right to know if they are conversing to an LLM. We…

Computation and Language · Computer Science 2024-12-23 Gilad Gressel , Rahul Pankajakshan , Yisroel Mirsky

Advances in artificial intelligence and human-computer interaction will likely lead to extended reality (XR) becoming pervasive. While XR can provide users with interactive, engaging, and immersive experiences, non-player characters are…

Human-Computer Interaction · Computer Science 2024-06-21 Efe Bozkir , Süleyman Özdel , Ka Hei Carrie Lau , Mengdi Wang , Hong Gao , Enkelejda Kasneci

This paper comprehensively explores the ethical challenges arising from security threats to Large Language Models (LLMs). These intricate digital repositories are increasingly integrated into our daily lives, making them prime targets for…

Cryptography and Security · Computer Science 2024-07-11 Ashutosh Kumar , Shiv Vignesh Murthy , Sagarika Singh , Swathy Ragupathy
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