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The General Data Protection Regulation (GDPR) is a European Union regulation that will replace the existing Data Protection Directive on 25 May 2018. The most significant change is a huge increase in the maximum fine that can be levied for…

Artificial Intelligence · Computer Science 2018-09-18 John KC Kingston

Large Language Models (LLMs) are increasingly being used for automated evaluations and explaining them. However, concerns about explanation quality, consistency, and hallucinations remain open research challenges, particularly in…

Human-Computer Interaction · Computer Science 2025-04-18 Vincent Freiberger , Arthur Fleig , Erik Buchmann

Large Language Models (LLMs) have demonstrated remarkable capabilities in natural language processing but also pose significant privacy risks by memorizing and leaking Personally Identifiable Information (PII). Existing mitigation…

Machine Learning · Computer Science 2025-03-17 Ahmed Frikha , Muhammad Reza Ar Razi , Krishna Kanth Nakka , Ricardo Mendes , Xue Jiang , Xuebing Zhou

Federated large language models (FedLLMs) enable cross-silo collaborative training among institutions while preserving data locality, making them appealing for privacy-sensitive domains such as law, finance, and healthcare. However, the…

Computation and Language · Computer Science 2026-02-26 Yingqi Hu , Zhuo Zhang , Jingyuan Zhang , Jinghua Wang , Qifan Wang , Lizhen Qu , Zenglin Xu

AI creates and exacerbates privacy risks, yet practitioners lack effective resources to identify and mitigate these risks. We present Privy, a tool that guides practitioners without privacy expertise through structured privacy impact…

The rapid advancement of Large Language Models (LLMs) has created a critical gap in consumer protection due to the lack of standardized certification processes for LLM-powered Artificial Intelligence (AI) systems. This paper argues that…

Computers and Society · Computer Science 2025-02-07 Wesley Pasfield

The recent advances in large language models (LLMs) have significantly expanded their applications across various fields such as language generation, summarization, and complex question answering. However, their application to privacy…

Computation and Language · Computer Science 2025-02-17 Yang Liu , Xichou Zhu , Zhou Shen , Yi Liu , Min Li , Yujun Chen , Benzi John , Zhenzhen Ma , Tao Hu , Zhi Li , Bolong Yang , Manman Wang , Zongxing Xie , Peng Liu , Dan Cai , Junhui Wang

The generative Artificial Intelligence (AI) tools based on Large Language Models (LLMs) use billions of parameters to extensively analyse large datasets and extract critical private information such as, context, specific details,…

Cryptography and Security · Computer Science 2023-10-20 Imdad Ullah , Najm Hassan , Sukhpal Singh Gill , Basem Suleiman , Tariq Ahamed Ahanger , Zawar Shah , Junaid Qadir , Salil S. Kanhere

The proliferation of visual sensors in smart home environments, particularly through wearable devices like smart glasses, introduces profound privacy challenges. Existing privacy controls are often static and coarse-grained, failing to…

Human-Computer Interaction · Computer Science 2025-08-04 Shuning Zhang , Ying Ma , Xin Yi , Hewu Li

Large Language Models (LLMs) memorize, and thus, among huge amounts of uncontrolled data, may memorize Personally Identifiable Information (PII), which should not be stored and, consequently, not leaked. In this paper, we introduce Private…

Cryptography and Security · Computer Science 2025-08-22 Elena Sofia Ruzzetti , Giancarlo A. Xompero , Davide Venditti , Fabio Massimo Zanzotto

Large Language Models (LLMs) excel in various domains but pose inherent privacy risks. Existing methods to evaluate privacy leakage in LLMs often use memorized prefixes or simple instructions to extract data, both of which well-alignment…

Cryptography and Security · Computer Science 2025-05-19 Yidan Wang , Yanan Cao , Yubing Ren , Fang Fang , Zheng Lin , Binxing Fang

Artificial Intelligence (AI) is taking on increasingly autonomous roles, e.g., browsing the web as a research assistant and managing money. But specifying goals and restrictions for AI behavior is difficult. Similar to how parties to a…

Computation and Language · Computer Science 2023-01-31 John J. Nay

The rapid advancement of large language models (LLMs) has revolutionized natural language processing, enabling applications in diverse domains such as healthcare, finance and education. However, the growing reliance on extensive data for…

Cryptography and Security · Computer Science 2024-12-10 Guoshenghui Zhao , Eric Song

Machine learning practitioners often fine-tune generative pre-trained models like GPT-3 to improve model performance at specific tasks. Previous works, however, suggest that fine-tuned machine learning models memorize and emit sensitive…

Machine Learning · Computer Science 2024-04-17 Albert Yu Sun , Eliott Zemour , Arushi Saxena , Udith Vaidyanathan , Eric Lin , Christian Lau , Vaikkunth Mugunthan

As Large Language Models (LLMs) gain wider adoption, ensuring their reliable handling of Personally Identifiable Information (PII) across diverse regulatory contexts has become essential. This work introduces a scalable multilingual data…

Computation and Language · Computer Science 2025-10-13 Bharti Meena , Joanna Skubisz , Harshit Rajgarhia , Nand Dave , Kiran Ganesh , Shivali Dalmia , Abhishek Mukherji , Vasudevan Sundarababu

The proliferation of Large Language Models (LLMs) has demonstrated remarkable capabilities, elevating the critical importance of LLM safety. However, existing safety methods rely on ad-hoc taxonomy and lack a rigorous, systematic…

Computation and Language · Computer Science 2025-09-29 Wenbin Hu , Huihao Jing , Haochen Shi , Haoran Li , Yangqiu Song

The de-identification of private information in medical data is a crucial process to mitigate the risk of confidentiality breaches, particularly when patient personal details are not adequately removed before the release of medical records.…

Cryptography and Security · Computer Science 2025-04-29 Guanchen Wu , Linzhi Zheng , Han Xie , Zhen Xiang , Jiaying Lu , Darren Liu , Delgersuren Bold , Bo Li , Xiao Hu , Carl Yang

The memorization of sensitive and personally identifiable information (PII) by large language models (LLMs) poses growing privacy risks as models scale and are increasingly deployed in real-world applications. Existing efforts to study…

Computation and Language · Computer Science 2025-05-20 Sriram Selvam , Anneswa Ghosh

Concerns regarding Large Language Models (LLMs) to memorize and disclose private information, particularly Personally Identifiable Information (PII), become prominent within the community. Many efforts have been made to mitigate the privacy…

Machine Learning · Computer Science 2024-05-21 Ruizhe Chen , Tianxiang Hu , Yang Feng , Zuozhu Liu

The use of Natural Language Processing (NLP) in highstakes AI-based applications has increased significantly in recent years, especially since the emergence of Large Language Models (LLMs). However, despite their strong performance, LLMs…