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Related papers: Online Data Poisoning Attack

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Continual learning algorithms are typically exposed to untrusted sources that contain training data inserted by adversaries and bad actors. An adversary can insert a small number of poisoned samples, such as mislabeled samples from…

Machine Learning · Computer Science 2023-11-21 Huayu Li , Gregory Ditzler

Large language models (LLMs) are often fine-tuned on uncurated text datasets that adversaries can poison. Existing poisoning attacks primarily rely on fixed trigger phrases that defenses such as outlier detection, clean-data regularization,…

Cryptography and Security · Computer Science 2026-05-27 Zedian Shao , Charles Fleming , Teodora Baluta

Federated learning is vulnerable to poisoning attacks by malicious adversaries. Existing methods often involve high costs to achieve effective attacks. To address this challenge, we propose a sybil-based virtual data poisoning attack, where…

Cryptography and Security · Computer Science 2025-05-16 Changxun Zhu , Qilong Wu , Lingjuan Lyu , Shibei Xue

Consider a stochastic process being controlled across a communication channel. The control signal that is transmitted across the control channel can be replaced by a malicious attacker. The controller is allowed to implement any arbitrary…

Optimization and Control · Mathematics 2017-04-05 Cheng-Zong Bai , Fabio Pasqualetti , Vijay Gupta

Data poisoning attacks, in which an adversary corrupts a training set with the goal of inducing specific desired mistakes, have raised substantial concern: even just the possibility of such an attack can make a user no longer trust the…

Machine Learning · Computer Science 2022-03-09 Maria-Florina Balcan , Avrim Blum , Steve Hanneke , Dravyansh Sharma

Data Poisoning (DP) is an effective attack that causes trained classifiers to misclassify their inputs. DP attacks significantly degrade a classifier's accuracy by covertly injecting attack samples into the training set. Broadly applicable…

Machine Learning · Computer Science 2022-05-13 Xi Li , David J. Miller , Zhen Xiang , George Kesidis

Adversarial Machine Learning has emerged as a substantial subfield of Computer Science due to a lack of robustness in the models we train along with crowdsourcing practices that enable attackers to tamper with data. In the last two years,…

Machine Learning · Computer Science 2021-07-29 Jacob Dineen , A S M Ahsan-Ul Haque , Matthew Bielskas

We introduce camouflaged data poisoning attacks, a new attack vector that arises in the context of machine unlearning and other settings when model retraining may be induced. An adversary first adds a few carefully crafted points to the…

Machine Learning · Computer Science 2024-08-02 Jimmy Z. Di , Jack Douglas , Jayadev Acharya , Gautam Kamath , Ayush Sekhari

Deep neural networks are susceptible to poisoning attacks by purposely polluted training data with specific triggers. As existing episodes mainly focused on attack success rate with patch-based samples, defense algorithms can easily detect…

Cryptography and Security · Computer Science 2021-01-11 Jinyin Chen , Longyuan Zhang , Haibin Zheng , Xueke Wang , Zhaoyan Ming

In adversarial machine learning, new defenses against attacks on deep learning systems are routinely broken soon after their release by more powerful attacks. In this context, forensic tools can offer a valuable complement to existing…

Cryptography and Security · Computer Science 2022-06-17 Shawn Shan , Arjun Nitin Bhagoji , Haitao Zheng , Ben Y. Zhao

As machine learning (ML) classifiers increasingly oversee the automated monitoring of network traffic, studying their resilience against adversarial attacks becomes critical. This paper focuses on poisoning attacks, specifically backdoor…

Cryptography and Security · Computer Science 2023-06-05 Giorgio Severi , Simona Boboila , Alina Oprea , John Holodnak , Kendra Kratkiewicz , Jason Matterer

Offline Reinforcement Learning (RL) enables policy optimization from static datasets but is inherently vulnerable to data poisoning attacks. Existing attack strategies typically rely on locally uniform perturbations, which treat all samples…

Machine Learning · Computer Science 2025-12-11 Junnan Qiu , Yuanjie Zhao , Jie Li

Data poisoning attacks manipulate training data to introduce unexpected behaviors into machine learning models at training time. For text-to-image generative models with massive training datasets, current understanding of poisoning attacks…

Cryptography and Security · Computer Science 2024-04-30 Shawn Shan , Wenxin Ding , Josephine Passananti , Stanley Wu , Haitao Zheng , Ben Y. Zhao

The widespread adoption of generative models such as Stable Diffusion and ChatGPT has made them increasingly attractive targets for malicious exploitation, particularly through data poisoning. Existing poisoning attacks compromising…

Machine Learning · Computer Science 2025-11-10 Mathias Lundteigen Mohus , Jingyue Li , Zhirong Yang

This work is concerned with solving neural network-based feedback controllers efficiently for optimal control problems. We first conduct a comparative study of two prevalent approaches: offline supervised learning and online direct policy…

Optimization and Control · Mathematics 2024-04-10 Yue Zhao , Jiequn Han

Federated learning (FL) is vulnerable to data poisoning attacks due to its distributed nature. Although recent GAN-based data poisoning methods have indicated the potential of using generative AI to generate seemingly legitimate poisoned…

Cryptography and Security · Computer Science 2026-05-18 Wei Sun , Yijun Chen , Bo Gao , Ke Xiong , Yuwei Wang , Pingyi Fan , Khaled Ben Letaief

The rise of foundation models fine-tuned on human feedback from potentially untrusted users has increased the risk of adversarial data poisoning, necessitating the study of robustness of learning algorithms against such attacks. Existing…

Machine Learning · Computer Science 2025-02-25 Avinandan Bose , Laurent Lessard , Maryam Fazel , Krishnamurthy Dj Dvijotham

Our research addresses the overlooked security concerns related to data poisoning in continual learning (CL). Data poisoning - the intentional manipulation of training data to affect the predictions of machine learning models - was recently…

Cryptography and Security · Computer Science 2025-08-12 Stanisław Pawlak , Bartłomiej Twardowski , Tomasz Trzciński , Joost van de Weijer

We propose the first black-box targeted attack against online deep reinforcement learning through reward poisoning during training time. Our attack is applicable to general environments with unknown dynamics learned by unknown algorithms…

Machine Learning · Computer Science 2023-05-19 Yinglun Xu , Gagandeep Singh

Manipulation of local training data and local updates, i.e., the poisoning attack, is the main threat arising from the collaborative nature of the federated learning (FL) paradigm. Most existing poisoning attacks aim to manipulate local…

Machine Learning · Computer Science 2025-05-30 Huazi Pan , Yanjun Zhang , Leo Yu Zhang , Scott Adams , Abbas Kouzani , Suiyang Khoo
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