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With the advance of language models, privacy protection is receiving more attention. Training data extraction is therefore of great importance, as it can serve as a potential tool to assess privacy leakage. However, due to the difficulty of…

Computation and Language · Computer Science 2023-06-02 Weichen Yu , Tianyu Pang , Qian Liu , Chao Du , Bingyi Kang , Yan Huang , Min Lin , Shuicheng Yan

Large Language Models (LLMs) have become central to numerous natural language processing tasks, but their vulnerabilities present significant security and ethical challenges. This systematic survey explores the evolving landscape of attack…

Cryptography and Security · Computer Science 2025-05-05 Zhiyu Liao , Kang Chen , Yuanguo Lin , Kangkang Li , Yunxuan Liu , Hefeng Chen , Xingwang Huang , Yuanhui Yu

The rapid advancements of large language models (LLMs) have raised public concerns about the privacy leakage of personally identifiable information (PII) within their extensive training datasets. Recent studies have demonstrated that an…

Cryptography and Security · Computer Science 2024-08-01 Xiaoyi Chen , Siyuan Tang , Rui Zhu , Shijun Yan , Lei Jin , Zihao Wang , Liya Su , Zhikun Zhang , XiaoFeng Wang , Haixu Tang

Large Language Models (LLMs) deployed in enterprise settings (e.g., as Microsoft 365 Copilot) face novel security challenges. One critical threat is prompt inference attacks: adversaries chain together seemingly benign prompts to gradually…

Cryptography and Security · Computer Science 2025-07-22 Andrii Balashov , Olena Ponomarova , Xiaohua Zhai

As training artificial intelligence (AI) models is a lengthy and hence costly process, leakage of such a model's internal parameters is highly undesirable. In the case of AI accelerators, side-channel information leakage opens up the threat…

Hardware Architecture · Computer Science 2024-12-11 Andrija Nešković , Saleh Mulhem , Alexander Treff , Rainer Buchty , Thomas Eisenbarth , Mladen Berekovic

Data lakes enable the training of powerful machine learning models on sensitive, high-value medical datasets, but also introduce serious privacy risks due to potential leakage of protected health information. Recent studies show adversaries…

Machine Learning · Computer Science 2025-09-03 Elie Thellier , Huiyu Li , Nicholas Ayache , Hervé Delingette

Reliable detection of personally identifiable information (PII) is increasingly important across modern data-processing systems, yet the task remains difficult: PII spans are heterogeneous, locale-dependent, context-sensitive, and often…

Computation and Language · Computer Science 2026-05-12 Urchade Zaratiana , Ash Lewis , George Hurn-Maloney

Machine learning is being increasingly used by individuals, research institutions, and corporations. This has resulted in the surge of Machine Learning-as-a-Service (MLaaS) - cloud services that provide (a) tools and resources to learn the…

Machine Learning · Computer Science 2019-11-21 Varun Chandrasekaran , Kamalika Chaudhuri , Irene Giacomelli , Somesh Jha , Songbai Yan

Recent works have identified a gap between research and practice in artificial intelligence security: threats studied in academia do not always reflect the practical use and security risks of AI. For example, while models are often studied…

Cryptography and Security · Computer Science 2024-03-27 Kathrin Grosse , Lukas Bieringer , Tarek Richard Besold , Alexandre Alahi

The rapid proliferation of Large Language Models (LLMs) has raised significant concerns about their security against adversarial attacks. In this work, we propose a novel approach to crafting universal jailbreaks and data extraction attacks…

Cryptography and Security · Computer Science 2025-11-04 Kayua Oleques Paim , Rodrigo Brandao Mansilha , Diego Kreutz , Muriel Figueredo Franco , Weverton Cordeiro

Model extraction attacks are designed to steal trained models with only query access, as is often provided through APIs that ML-as-a-Service providers offer. Machine Learning (ML) models are expensive to train, in part because data is hard…

Machine Learning · Computer Science 2024-06-14 Avital Shafran , Ilia Shumailov , Murat A. Erdogdu , Nicolas Papernot

Large Language Models (LLMs) demonstrate remarkable potential across various domains; however, they exhibit a significant performance gap in Information Extraction (IE). Note that high-quality instruction data is the vital key for enhancing…

Computation and Language · Computer Science 2024-05-28 Honghao Gui , Lin Yuan , Hongbin Ye , Ningyu Zhang , Mengshu Sun , Lei Liang , Huajun Chen

Key Information Extraction (KIE) from visually-rich documents (VrDs) is a critical task, for which recent Large Language Models (LLMs) and Multi-Modal Large Language Models (MLLMs) have demonstrated strong potential. However, their reliance…

Computation and Language · Computer Science 2026-01-28 Xinzhong Wang , Ya Guo , Jing Li , Huan Chen , Yi Tu , Yijie Hong , Gongshen Liu , Huijia Zhu

Training models on a carefully chosen portion of data rather than the full dataset is now a standard preprocess for modern ML. From vision coreset selection to large-scale filtering in language models, it enables scalability with minimal…

Cryptography and Security · Computer Science 2026-04-15 Qi Li , Cheng-Long Wang , Yinzhi Cao , Di Wang

Although Large Language Models (LLMs) have become increasingly integral to diverse applications, their capabilities raise significant privacy concerns. This survey offers a comprehensive overview of privacy risks associated with LLMs and…

Cryptography and Security · Computer Science 2025-05-06 Kang Chen , Xiuze Zhou , Yuanguo Lin , Shibo Feng , Li Shen , Pengcheng Wu

Objectives: Despite the recent adoption of large language models (LLMs) for biomedical information extraction, challenges in prompt engineering and algorithms persist, with no dedicated software available. To address this, we developed…

Machine Learning · Computer Science 2025-04-02 Enshuo Hsu , Kirk Roberts

Membership inference attacks (MIAs) pose a critical privacy threat to fine-tuned large language models (LLMs), especially when models are adapted to domain-specific tasks using sensitive data. While prior black-box MIA techniques rely on…

Cryptography and Security · Computer Science 2025-12-23 Zhexi Lu , Hongliang Chi , Nathalie Baracaldo , Swanand Ravindra Kadhe , Yuseok Jeon , Lei Yu

Membership inference attacks (MIA) aim to infer whether a particular data point is part of the training dataset of a model. In this paper, we propose a new task in the context of LLM privacy: entity-level discovery of membership risk…

Machine Learning · Computer Science 2025-11-04 Ali Satvaty , Suzan Verberne , Fatih Turkmen

Nowadays, every organization might be attacked through its network printers. The malicious exploitation of printing protocols is a dangerous and underestimated threat against every printer today, as highlighted by recent published…

Cryptography and Security · Computer Science 2018-06-29 Asaf Hecht , Adi Sagi , Yuval Elovici

Large Language Models (LLMs) have been integrated into many applications (e.g., web agents) to perform more sophisticated tasks. However, LLM-empowered applications are vulnerable to Indirect Prompt Injection (IPI) attacks, where…

Cryptography and Security · Computer Science 2025-12-12 Yinan Zhong , Qianhao Miao , Yanjiao Chen , Jiangyi Deng , Yushi Cheng , Wenyuan Xu
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