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Related papers: Truthful Text Sanitization Guided by Inference Att…

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Text sanitization is the task of redacting a document to mask all occurrences of (direct or indirect) personal identifiers, with the goal of concealing the identity of the individual(s) referred in it. In this paper, we consider a two-step…

Computation and Language · Computer Science 2023-10-24 Anthi Papadopoulou , Pierre Lison , Mark Anderson , Lilja Øvrelid , Ildikó Pilán

Data containing personal information is increasingly used to train, fine-tune, or query Large Language Models (LLMs). Text is typically scrubbed of identifying information prior to use, often with tools such as Microsoft's Presidio or…

Computation and Language · Computer Science 2026-02-16 Nataša Krčo , Zexi Yao , Matthieu Meeus , Yves-Alexandre de Montjoye

In this work, we address the problem of text anonymization where the goal is to prevent adversaries from correctly inferring private attributes of the author, while keeping the text utility, i.e., meaning and semantics. We propose…

Cryptography and Security · Computer Science 2025-02-04 Ahmed Frikha , Nassim Walha , Krishna Kanth Nakka , Ricardo Mendes , Xue Jiang , Xuebing Zhou

Sanitizing sensitive text data typically involves removing personally identifiable information (PII) or generating synthetic data under the assumption that these methods adequately protect privacy; however, their effectiveness is often only…

Cryptography and Security · Computer Science 2026-03-17 Rui Xin , Niloofar Mireshghallah , Shuyue Stella Li , Michael Duan , Hyunwoo Kim , Yejin Choi , Yulia Tsvetkov , Sewoong Oh , Pang Wei Koh

In the context of information systems, text sanitization techniques are used to identify and remove sensitive data to comply with security and regulatory requirements. Even though many methods for privacy preservation have been proposed,…

Computation and Language · Computer Science 2023-11-21 Federico Albanese , Daniel Ciolek , Nicolas D'Ippolito

Text sanitization, which employs differential privacy to replace sensitive tokens with new ones, represents a significant technique for privacy protection. Typically, its performance in preserving privacy is evaluated by measuring the…

Cryptography and Security · Computer Science 2025-05-06 Meng Tong , Kejiang Chen , Xiaojian Yuan , Jiayang Liu , Weiming Zhang , Nenghai Yu , Jie Zhang

Large Language Models (LLMs) are gaining increasing attention due to their exceptional performance across numerous tasks. As a result, the general public utilize them as an influential tool for boosting their productivity while natural…

Cryptography and Security · Computer Science 2023-06-16 Zhigang Kan , Linbo Qiao , Hao Yu , Liwen Peng , Yifu Gao , Dongsheng Li

Differentially private text sanitization refers to the process of privatizing texts under the framework of Differential Privacy (DP), providing provable privacy guarantees while also empirically defending against adversaries seeking to harm…

Cryptography and Security · Computer Science 2025-08-27 Stephen Meisenbacher , Alexandra Klymenko , Andreea-Elena Bodea , Florian Matthes

Texts convey sophisticated knowledge. However, texts also convey sensitive information. Despite the success of general-purpose language models and domain-specific mechanisms with differential privacy (DP), existing text sanitization…

Computation and Language · Computer Science 2021-06-03 Xiang Yue , Minxin Du , Tianhao Wang , Yaliang Li , Huan Sun , Sherman S. M. Chow

Recent privacy research on large language models (LLMs) has shown that they achieve near-human-level performance at inferring personal data from online texts. With ever-increasing model capabilities, existing text anonymization methods are…

Artificial Intelligence · Computer Science 2025-02-04 Robin Staab , Mark Vero , Mislav Balunović , Martin Vechev

As Large Language Models (LLMs) achieve remarkable success across a wide range of applications, such as chatbots and code copilots, concerns surrounding the generation of harmful content have come increasingly into focus. Despite…

Computation and Language · Computer Science 2025-09-30 Wenjie Fu , Huandong Wang , Junyao Gao , Guoan Wan , Tao Jiang

Interactions with online Large Language Models raise privacy issues where providers can gather sensitive information about users and their companies from the prompts. While textual prompts can be sanitized using Differential Privacy, we…

Cryptography and Security · Computer Science 2025-06-16 Robin Carpentier , Benjamin Zi Hao Zhao , Hassan Jameel Asghar , Dali Kaafar

The proliferation of textual data containing sensitive personal information across various domains requires robust anonymization techniques to protect privacy and comply with regulations, while preserving data usability for diverse and…

Computation and Language · Computer Science 2025-12-17 Tobias Deußer , Lorenz Sparrenberg , Armin Berger , Max Hahnbück , Christian Bauckhage , Rafet Sifa

Whistleblowing is essential for ensuring transparency and accountability in both public and private sectors. However, (potential) whistleblowers often fear or face retaliation, even when reporting anonymously. The specific content of their…

Computers and Society · Computer Science 2024-05-03 Dimitri Staufer , Frank Pallas , Bettina Berendt

The collection and use of personal data are becoming more common in today's data-driven culture. While there are many advantages to this, including better decision-making and service delivery, it also poses significant ethical issues around…

Cryptography and Security · Computer Science 2023-03-23 Constantinos Patsakis , Nikolaos Lykousas

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

Responsible use of AI demands that we protect sensitive information without undermining the usefulness of data, an imperative that has become acute in the age of large language models. We address this challenge with an on-premise,…

Computation and Language · Computer Science 2026-03-19 Federico Albanese , Pablo Ronco , Nicolás D'Ippolito

In today's digital world, casual user-generated content often contains subtle cues that may inadvertently expose sensitive personal attributes. Such risks underscore the growing importance of effective text anonymization to safeguard…

Computation and Language · Computer Science 2025-07-01 Chenyang Shao , Tianxing Li , Chenhao Pu , Fengli Xu , Yong Li

The widespread dissemination of toxic content on social media poses a serious threat to both online environments and public discourse, highlighting the urgent need for detoxification methods that effectively remove toxicity while preserving…

Machine Learning · Computer Science 2025-07-08 Jing Yu , Yibo Zhao , Jiapeng Zhu , Wenming Shao , Bo Pang , Zhao Zhang , Xiang Li

Adversarial purification is a defense mechanism for safeguarding classifiers against adversarial attacks without knowing the type of attacks or training of the classifier. These techniques characterize and eliminate adversarial…

Cryptography and Security · Computer Science 2024-02-13 Raha Moraffah , Shubh Khandelwal , Amrita Bhattacharjee , Huan Liu
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