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This paper presents how to leak private information from a wireless signal classifier by launching an over-the-air membership inference attack (MIA). As machine learning (ML) algorithms are used to process wireless signals to make decisions…

信号处理 · 电气工程与系统科学 2020-06-26 Yi Shi , Kemal Davaslioglu , Yalin E. Sagduyu

Federated Learning (FL) is a collaborative learning framework designed to protect client data, yet it remains highly vulnerable to Intellectual Property (IP) threats. Model extraction (ME) attacks pose a significant risk to Machine Learning…

The classification service over a stream of data is becoming an important offering for cloud providers, but users may encounter obstacles in providing sensitive data due to privacy concerns. While Trusted Execution Environments (TEEs) are…

密码学与安全 · 计算机科学 2022-03-04 Qifan Wang , Shujie Cui , Lei Zhou , Ocean Wu , Yonghua Zhu , Giovanni Russello

Self-supervised representation learning techniques have been developing rapidly to make full use of unlabeled images. They encode images into rich features that are oblivious to downstream tasks. Behind their revolutionary representation…

密码学与安全 · 计算机科学 2023-03-28 Zeyang Sha , Xinlei He , Ning Yu , Michael Backes , Yang Zhang

Modern machine learning (ML) ecosystems offer a surging number of ML frameworks and code repositories that can greatly facilitate the development of ML models. Today, even ordinary data holders who are not ML experts can apply off-the-shelf…

密码学与安全 · 计算机科学 2024-07-03 Zitao Chen , Karthik Pattabiraman

This paper addresses the privacy and security concerns associated with deep neural language models, which serve as crucial components in various modern AI-based applications. These models are often used after being pre-trained and…

密码学与安全 · 计算机科学 2024-01-01 Abhijit Mishra , Mingda Li , Soham Deo

With the increased interest in artificial intelligence, Machine Learning as a Service provides the infrastructure in the Cloud for easy training, testing, and deploying models. However, these systems have a major privacy issue: uploading…

密码学与安全 · 计算机科学 2025-09-29 Alexandru Ioniţă , Andreea Ioniţă

Pre-trained vision models (PVMs) have become a dominant component due to their exceptional performance when fine-tuned for downstream tasks. However, the presence of backdoors within PVMs poses significant threats. Unfortunately, existing…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Aishan Liu , Xinwei Zhang , Yisong Xiao , Yuguang Zhou , Siyuan Liang , Jiakai Wang , Xianglong Liu , Xiaochun Cao , Dacheng Tao

Self-supervised learning is an emerging machine learning paradigm. Compared to supervised learning which leverages high-quality labeled datasets, self-supervised learning relies on unlabeled datasets to pre-train powerful encoders which can…

密码学与安全 · 计算机科学 2022-09-02 Tianshuo Cong , Xinlei He , Yang Zhang

Contrastive learning (CL) pre-trains general-purpose encoders using an unlabeled pre-training dataset, which consists of images or image-text pairs. CL is vulnerable to data poisoning based backdoor attacks (DPBAs), in which an attacker…

密码学与安全 · 计算机科学 2024-03-04 Jinghuai Zhang , Hongbin Liu , Jinyuan Jia , Neil Zhenqiang Gong

Large scale deep learning model, such as modern language models and diffusion architectures, have revolutionized applications ranging from natural language processing to computer vision. However, their deployment in distributed or…

Today, machine learning is widely applied in sensitive, security-related, and financially lucrative applications. Model extraction attacks undermine current business models where a model owner sells model access, e.g., via MLaaS APIs.…

密码学与安全 · 计算机科学 2026-04-22 Jonas Sander , Anja Rabich , Nick Mahling , Felix Maurer , Jonah Heller , Qifan Wang , Thomas Eisenbarth , David Oswald

With the evolution of self-supervised learning, the pre-training paradigm has emerged as a predominant solution within the deep learning landscape. Model providers furnish pre-trained encoders designed to function as versatile feature…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Ziqi Zhou , Minghui Li , Wei Liu , Shengshan Hu , Yechao Zhang , Wei Wan , Lulu Xue , Leo Yu Zhang , Dezhong Yao , Hai Jin

Within the realm of computer vision, self-supervised learning (SSL) pertains to training pre-trained image encoders utilizing a substantial quantity of unlabeled images. Pre-trained image encoders can serve as feature extractors,…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Qiannan Wang , Changchun Yin , Zhe Liu , Liming Fang , Run Wang , Chenhao Lin

Machine learning (ML) models have been widely applied to various applications, including image classification, text generation, audio recognition, and graph data analysis. However, recent studies have shown that ML models are vulnerable to…

机器学习 · 计算机科学 2022-02-04 Hongsheng Hu , Zoran Salcic , Lichao Sun , Gillian Dobbie , Philip S. Yu , Xuyun Zhang

Training pipelines for machine learning (ML) based malware classification often rely on crowdsourced threat feeds, exposing a natural attack injection point. In this paper, we study the susceptibility of feature-based ML malware classifiers…

密码学与安全 · 计算机科学 2021-01-12 Giorgio Severi , Jim Meyer , Scott Coull , Alina Oprea

Open-source large language models (LLMs) have demonstrated considerable dominance over proprietary LLMs in resolving neural processing tasks, thanks to the collaborative and sharing nature. Although full access to source codes, model…

密码学与安全 · 计算机科学 2026-04-28 Ming Tan , Wei Li , Hu Tao , Hailong Ma , Aodi Liu , Qian Chen , Zilong Wang

In this work, we introduce PII-Scope, a comprehensive benchmark designed to evaluate state-of-the-art methodologies for PII extraction attacks targeting LLMs across diverse threat settings. Our study provides a deeper understanding of these…

计算与语言 · 计算机科学 2025-05-27 Krishna Kanth Nakka , Ahmed Frikha , Ricardo Mendes , Xue Jiang , Xuebing Zhou

There are many approaches in mobile data ecosystem that inspect network traffic generated by applications running on user's device to detect personal data exfiltration from the user's device. State-of-the-art methods rely on features…

机器学习 · 计算机科学 2025-02-14 Rishika Kohli , Shaifu Gupta , Manoj Singh Gaur

Motivated by the advancing computational capacity of distributed end-user equipments (UEs), as well as the increasing concerns about sharing private data, there has been considerable recent interest in machine learning (ML) and artificial…

分布式、并行与集群计算 · 计算机科学 2023-08-11 Chuan Ma , Jun Li , Kang Wei , Bo Liu , Ming Ding , Long Yuan , Zhu Han , H. Vincent Poor