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Targeted data poisoning attacks manipulate model predictions on specific test samples by injecting malicious data into training. Yet existing evaluations report average attack success rates over randomly selected targets, obscuring true…

Machine Learning · Computer Science 2026-05-25 William Xu , Chenyu Zhang , Yihan Wang , Matthew Y. R. Yang , Zuoqiu Liu , Gautam Kamath , Yaoliang Yu , Yiwei Lu

The performance of machine learning models depends on the quality of the underlying data. Malicious actors can attack the model by poisoning the training data. Current detectors are tied to either specific data types, models, or attacks,…

Cryptography and Security · Computer Science 2023-10-26 Xinglong Chang , Katharina Dost , Gillian Dobbie , Jörg Wicker

Data poisoning -- the process by which an attacker takes control of a model by making imperceptible changes to a subset of the training data -- is an emerging threat in the context of neural networks. Existing attacks for data poisoning…

Machine Learning · Computer Science 2021-02-23 W. Ronny Huang , Jonas Geiping , Liam Fowl , Gavin Taylor , Tom Goldstein

Adversarial poisoning attacks pose huge threats to various machine learning applications. Especially, the recent accumulative poisoning attacks show that it is possible to achieve irreparable harm on models via a sequence of imperceptible…

Machine Learning · Computer Science 2023-06-07 Jianing Zhu , Xiawei Guo , Jiangchao Yao , Chao Du , Li He , Shuo Yuan , Tongliang Liu , Liang Wang , Bo Han

Poisoning attacks are a category of adversarial machine learning threats in which an adversary attempts to subvert the outcome of the machine learning systems by injecting crafted data into training data set, thus increasing the machine…

Machine Learning · Computer Science 2024-10-28 Fereshteh Razmi , Li Xiong

Given the volume of data needed to train modern machine learning models, external suppliers are increasingly used. However, incorporating external data poses data poisoning risks, wherein attackers manipulate their data to degrade model…

Cryptography and Security · Computer Science 2023-06-01 Yi Zeng , Minzhou Pan , Himanshu Jahagirdar , Ming Jin , Lingjuan Lyu , Ruoxi Jia

Federated learning (FL) enables collaborative model training while preserving data privacy, but its decentralized nature exposes it to client-side data poisoning attacks (DPAs) and model poisoning attacks (MPAs) that degrade global model…

Cryptography and Security · Computer Science 2025-02-07 Heyi Zhang , Yule Liu , Xinlei He , Jun Wu , Tianshuo Cong , Xinyi Huang

Recent studies have shown that deep learning models are very vulnerable to poisoning attacks. Many defense methods have been proposed to address this issue. However, traditional poisoning attacks are not as threatening as commonly believed.…

Machine Learning · Computer Science 2025-12-12 Yuhao He , Jinyu Tian , Xianwei Zheng , Li Dong , Yuanman Li , Jiantao Zhou

State-of-the-art machine learning models are vulnerable to data poisoning attacks whose purpose is to undermine the integrity of the model. However, the current literature on data poisoning attacks is mainly focused on ad hoc techniques…

Machine Learning · Computer Science 2021-02-12 Pooya Tavallali , Vahid Behzadan , Peyman Tavallali , Mukesh Singhal

Adversarial data poisoning is an effective attack against machine learning and threatens model integrity by introducing poisoned data into the training dataset. So far, it has been studied mostly for classification, even though regression…

Machine Learning · Computer Science 2020-09-16 Nicolas Michael Müller , Daniel Kowatsch , Konstantin Böttinger

Machine learning models trained on data from the outside world can be corrupted by data poisoning attacks that inject malicious points into the models' training sets. A common defense against these attacks is data sanitization: first filter…

Machine Learning · Statistics 2021-12-06 Pang Wei Koh , Jacob Steinhardt , Percy Liang

A powerful category of (invisible) data poisoning attacks modify a subset of training examples by small adversarial perturbations to change the prediction of certain test-time data. Existing defense mechanisms are not desirable to deploy in…

Cryptography and Security · Computer Science 2023-07-21 Tian Yu Liu , Yu Yang , Baharan Mirzasoleiman

We consider data poisoning attacks, a class of adversarial attacks on machine learning where an adversary has the power to alter a small fraction of the training data in order to make the trained classifier satisfy certain objectives. While…

Machine Learning · Computer Science 2018-08-29 Yizhen Wang , Kamalika Chaudhuri

The efficacy of availability poisoning, a method of poisoning data by injecting imperceptible perturbations to prevent its use in model training, has been a hot subject of investigation. Previous research suggested that it was difficult to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Tianrui Qin , Xitong Gao , Juanjuan Zhao , Kejiang Ye , Cheng-Zhong Xu

While numerous defense methods have been proposed to prohibit potential poisoning attacks from untrusted data sources, most research works only defend against specific attacks, which leaves many avenues for an adversary to exploit. In this…

Machine Learning · Computer Science 2023-11-23 Minh-Hao Van , Alycia N. Carey , Xintao Wu

Data poisoning attacks are a potential threat to machine learning (ML) models, aiming to manipulate training datasets to disrupt their performance. Existing defenses are mostly designed to mitigate specific poisoning attacks or are aligned…

Cryptography and Security · Computer Science 2025-10-28 Anum Paracha , Junaid Arshad , Mohamed Ben Farah , Khalid Ismail

The recent success of machine learning (ML) has been fueled by the increasing availability of computing power and large amounts of data in many different applications. However, the trustworthiness of the resulting models can be compromised…

Cryptography and Security · Computer Science 2024-03-11 Antonio Emanuele Cinà , Kathrin Grosse , Ambra Demontis , Battista Biggio , Fabio Roli , Marcello Pelillo

Targeted clean-label data poisoning is a type of adversarial attack on machine learning systems in which an adversary injects a few correctly-labeled, minimally-perturbed samples into the training data, causing a model to misclassify a…

Machine Learning · Computer Science 2020-08-14 Neehar Peri , Neal Gupta , W. Ronny Huang , Liam Fowl , Chen Zhu , Soheil Feizi , Tom Goldstein , John P. Dickerson

Machine learning algorithms are vulnerable to poisoning attacks: An adversary can inject malicious points in the training dataset to influence the learning process and degrade the algorithm's performance. Optimal poisoning attacks have…

Machine Learning · Computer Science 2019-09-26 Luis Muñoz-González , Bjarne Pfitzner , Matteo Russo , Javier Carnerero-Cano , Emil C. Lupu

Poisoning attacks on machine learning systems compromise the model performance by deliberately injecting malicious samples in the training dataset to influence the training process. Prior works focus on either availability attacks (i.e.,…

Machine Learning · Computer Science 2021-10-13 Bingyin Zhao , Yingjie Lao