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Machine unlearning has emerged as a key component in ensuring ``Right to be Forgotten'', enabling the removal of specific data points from trained models. However, even when the unlearning is performed without poisoning the forget-set…

密码学与安全 · 计算机科学 2025-06-17 Marco Arazzi , Antonino Nocera , Vinod P

Recent studies have shown that federated learning (FL) is vulnerable to poisoning attacks that inject a backdoor into the global model. These attacks are effective even when performed by a single client, and undetectable by most existing…

密码学与安全 · 计算机科学 2021-04-20 Sebastien Andreina , Giorgia Azzurra Marson , Helen Möllering , Ghassan Karame

Semantic communication systems, which leverage Generative AI (GAI) to transmit semantic meaning rather than raw data, are poised to revolutionize modern communications. However, they are vulnerable to backdoor attacks, a type of poisoning…

密码学与安全 · 计算机科学 2025-02-07 Ziyang Wei , Yili Jiang , Jiaqi Huang , Fangtian Zhong , Sohan Gyawali

Dataset distillation (DD) enhances training efficiency and reduces bandwidth by condensing large datasets into smaller synthetic ones. It enables models to achieve performance comparable to those trained on the raw full dataset and has…

密码学与安全 · 计算机科学 2025-02-07 Ziyuan Yang , Ming Yan , Yi Zhang , Joey Tianyi Zhou

In a backdoor attack on a machine learning model, an adversary produces a model that performs well on normal inputs but outputs targeted misclassifications on inputs containing a small trigger pattern. Model compression is a widely-used…

密码学与安全 · 计算机科学 2021-05-03 Yulong Tian , Fnu Suya , Fengyuan Xu , David Evans

Backdoor attacks pose a persistent security risk to deep neural networks (DNNs) due to their stealth and durability. While recent research has explored leveraging model unlearning mechanisms to enhance backdoor concealment, existing attack…

密码学与安全 · 计算机科学 2025-10-16 Baogang Song , Dongdong Zhao , Jianwen Xiang , Qiben Xu , Zizhuo Yu

Federated learning enables thousands of participants to construct a deep learning model without sharing their private training data with each other. For example, multiple smartphones can jointly train a next-word predictor for keyboards…

密码学与安全 · 计算机科学 2019-08-07 Eugene Bagdasaryan , Andreas Veit , Yiqing Hua , Deborah Estrin , Vitaly Shmatikov

In a federated learning (FL) system, malicious participants can easily embed backdoors into the aggregated model while maintaining the model's performance on the main task. To this end, various defenses, including training stage…

机器学习 · 计算机科学 2023-05-30 Henger Li , Chen Wu , Sencun Zhu , Zizhan Zheng

Due to cost and time-to-market constraints, many industries outsource the training process of machine learning models (ML) to third-party cloud service providers, popularly known as ML-asa-Service (MLaaS). MLaaS creates opportunity for an…

密码学与安全 · 计算机科学 2022-05-20 Zhixin Pan , Prabhat Mishra

Deep neural networks (DNNs) are vulnerable to backdoor attack, which does not affect the network's performance on clean data but would manipulate the network behavior once a trigger pattern is added. Existing defense methods have greatly…

机器学习 · 计算机科学 2025-04-08 Min Liu , Alberto Sangiovanni-Vincentelli , Xiangyu Yue

Federated Learning (FL) is a decentralized machine learning method that enables participants to collaboratively train a model without sharing their private data. Despite its privacy and scalability benefits, FL is susceptible to backdoor…

密码学与安全 · 计算机科学 2024-09-11 Yujie Zhang , Neil Gong , Michael K. Reiter

The challenge of WAD (web attack detection) is growing as hackers continuously refine their methods to evade traditional detection. Deep learning models excel in handling complex unknown attacks due to their strong generalization and…

机器学习 · 计算机科学 2024-06-19 Lijia Shi , Shihao Dong

Backdoor attacks in reinforcement learning (RL) have previously employed intense attack strategies to ensure attack success. However, these methods suffer from high attack costs and increased detectability. In this work, we propose a novel…

机器学习 · 计算机科学 2023-12-21 Jing Cui , Yufei Han , Yuzhe Ma , Jianbin Jiao , Junge Zhang

Self-Supervised Learning (SSL) is an increasingly popular ML paradigm that trains models to transform complex inputs into representations without relying on explicit labels. These representations encode similarity structures that enable…

机器学习 · 计算机科学 2022-06-30 Adam Dziedzic , Nikita Dhawan , Muhammad Ahmad Kaleem , Jonas Guan , Nicolas Papernot

In this paper we exploit Semi-Supervised Learning (SSL) to increase the amount of training data to improve the performance of Fine-Grained Visual Categorization (FGVC). This problem has not been investigated in the past in spite of…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Daniele Mugnai , Federico Pernici , Francesco Turchini , Alberto Del Bimbo

At present, backdoor attacks attract attention as they do great harm to deep learning models. The adversary poisons the training data making the model being injected with a backdoor after being trained unconsciously by victims using the…

密码学与安全 · 计算机科学 2023-03-06 Shengfang Zhai , Qingni Shen , Xiaoyi Chen , Weilong Wang , Cong Li , Yuejian Fang , Zhonghai Wu

Deep neural network (DNN) classifiers are vulnerable to backdoor attacks. An adversary poisons some of the training data in such attacks by installing a trigger. The goal is to make the trained DNN output the attacker's desired class…

机器学习 · 计算机科学 2022-10-14 Hadi M. Dolatabadi , Sarah Erfani , Christopher Leckie

Deep learning (DL) offers potential improvements throughout the CAD tool-flow, one promising application being lithographic hotspot detection. However, DL techniques have been shown to be especially vulnerable to inference and training time…

机器学习 · 计算机科学 2020-04-28 Kang Liu , Benjamin Tan , Gaurav Rajavendra Reddy , Siddharth Garg , Yiorgos Makris , Ramesh Karri

This paper finds that contrastive learning can produce superior sentence embeddings for pre-trained models but is also vulnerable to backdoor attacks. We present the first backdoor attack framework, BadCSE, for state-of-the-art sentence…

计算与语言 · 计算机科学 2022-10-21 Xiaoyi Chen , Baisong Xin , Shengfang Zhai , Shiqing Ma , Qingni Shen , Zhonghai Wu

Machine learning is vulnerable to a wide variety of attacks. It is now well understood that by changing the underlying data distribution, an adversary can poison the model trained with it or introduce backdoors. In this paper we present a…