English
Related papers

Related papers: IDT: Dual-Task Adversarial Attacks for Privacy Pro…

200 papers

Adversarial attacks on Natural Language Processing (NLP) models expose vulnerabilities by introducing subtle perturbations to input text, often leading to misclassification while maintaining human readability. Existing methods typically…

Cryptography and Security · Computer Science 2025-06-12 Hetvi Waghela , Jaydip Sen , Sneha Rakshit , Subhasis Dasgupta

Although deep neural networks have achieved state-of-the-art performance in various machine learning tasks, adversarial examples, constructed by adding small non-random perturbations to correctly classified inputs, successfully fool highly…

Computation and Language · Computer Science 2022-05-02 Na Liu , Mark Dras , Wei Emma Zhang

With the development of large language models (LLMs) like ChatGPT, both their vast applications and potential vulnerabilities have come to the forefront. While developers have integrated multiple safety mechanisms to mitigate their misuse,…

Computation and Language · Computer Science 2024-07-23 Xiao Liu , Liangzhi Li , Tong Xiang , Fuying Ye , Lu Wei , Wangyue Li , Noa Garcia

Encoded text representations often capture sensitive attributes about individuals (e.g., race or gender), which raise privacy concerns and can make downstream models unfair to certain groups. In this work, we propose FEDERATE, an approach…

Computation and Language · Computer Science 2022-05-13 Gaurav Maheshwari , Pascal Denis , Mikaela Keller , Aurélien Bellet

In this paper, we investigate how attackers can discover sensitive information embedded within databases by exploiting inference rules. We demonstrate the inadequacy of naively applied existing state of the art differential privacy (DP)…

Cryptography and Security · Computer Science 2026-02-18 Yasmine Hayder , Adrien Boiret , Cédric Eichler , Benjamin Nguyen

Pre-trained large language models, such as GPT\nobreakdash-2 and BERT, are often fine-tuned to achieve state-of-the-art performance on a downstream task. One natural example is the ``Smart Reply'' application where a pre-trained model is…

Cryptography and Security · Computer Science 2023-09-06 Bargav Jayaraman , Esha Ghosh , Melissa Chase , Sambuddha Roy , Wei Dai , David Evans

Fine-tuning is a common and effective method for tailoring large language models (LLMs) to specialized tasks and applications. In this paper, we study the privacy implications of fine-tuning LLMs on user data. To this end, we consider a…

Cryptography and Security · Computer Science 2024-02-27 Nikhil Kandpal , Krishna Pillutla , Alina Oprea , Peter Kairouz , Christopher A. Choquette-Choo , Zheng Xu

In-context learning (ICL)-the ability of transformer-based models to perform new tasks from examples provided at inference time-has emerged as a hallmark of modern language models. While recent works have investigated the mechanisms…

Machine Learning · Statistics 2025-04-23 Soham Bonnerjee , Zhen Wei , Yeon , Anna Asch , Sagnik Nandy , Promit Ghosal

The interactive nature of Large Language Models (LLMs), which closely track user data and context, has prompted users to share personal and private information in unprecedented ways. Even when users opt out of allowing their data to be used…

Cryptography and Security · Computer Science 2025-08-26 GodsGift Uzor , Hasan Al-Qudah , Ynes Ineza , Abdul Serwadda

User-facing software services are becoming increasingly reliant on remote servers to host Deep Neural Network (DNN) models, which perform inference tasks for the clients. Such services require the client to send input data to the service…

Cryptography and Security · Computer Science 2021-04-07 Sanjay Kariyappa , Ousmane Dia , Moinuddin K Qureshi

Confidentiality of the data is being endangered as it has been categorized into false categories which might get leaked to an unauthorized party. For this reason, various organizations are mainly implementing data leakage prevention systems…

Cryptography and Security · Computer Science 2022-03-11 Ishu Gupta , Sloni Mittal , Ankit Tiwari , Priya Agarwal , Ashutosh Kumar Singh

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…

Social chatbots, also known as chit-chat chatbots, evolve rapidly with large pretrained language models. Despite the huge progress, privacy concerns have arisen recently: training data of large language models can be extracted via model…

Computation and Language · Computer Science 2022-05-23 Haoran Li , Yangqiu Song , Lixin Fan

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

Model adaptation is crucial to handle the discrepancy between proxy training data and actual users data received. To effectively perform adaptation, textual data of users is typically stored on servers or their local devices, where…

Computation and Language · Computer Science 2023-12-15 Arpita Vats , Zhe Liu , Peng Su , Debjyoti Paul , Yingyi Ma , Yutong Pang , Zeeshan Ahmed , Ozlem Kalinli

In distributed learning settings, models are iteratively updated with shared gradients computed from potentially sensitive user data. While previous work has studied various privacy risks of sharing gradients, our paper aims to provide a…

Machine Learning · Computer Science 2024-09-02 Zhuohang Li , Andrew Lowy , Jing Liu , Toshiaki Koike-Akino , Kieran Parsons , Bradley Malin , Ye Wang

Several randomization mechanisms for local differential privacy (LDP) (e.g., randomized response) are well-studied to improve the utility. However, recent studies show that LDP is generally vulnerable to malicious data providers in nature.…

Cryptography and Security · Computer Science 2021-06-10 Fumiyuki Kato , Yang Cao , Masatoshi Yoshikawa

Pre-trained language models have achieved remarkable success across a wide range of natural language processing (NLP) tasks, particularly when fine-tuned on large, domain-relevant datasets. However, they remain vulnerable to backdoor…

Computation and Language · Computer Science 2026-02-02 Anindya Sundar Das , Kangjie Chen , Monowar Bhuyan

With the rapid progress of large language models (LLMs), many downstream NLP tasks can be well solved given appropriate prompts. Though model developers and researchers work hard on dialog safety to avoid generating harmful content from…

Computation and Language · Computer Science 2023-11-02 Haoran Li , Dadi Guo , Wei Fan , Mingshi Xu , Jie Huang , Fanpu Meng , Yangqiu Song

Predicting and explaining the private information contained in an image in human-understandable terms is a complex and contextual task. This task is challenging even for large language models. To facilitate the understanding of privacy…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Alina Elena Baia , Andrea Cavallaro