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This paper examines the robustness of deployed few-shot meta-learning systems when they are fed an imperceptibly perturbed few-shot dataset. We attack amortized meta-learners, which allows us to craft colluding sets of inputs that are…

机器学习 · 计算机科学 2022-11-24 Elre T. Oldewage , John Bronskill , Richard E. Turner

As modern neural machine translation (NMT) systems have been widely deployed, their security vulnerabilities require close scrutiny. Most recently, NMT systems have been found vulnerable to targeted attacks which cause them to produce…

计算与语言 · 计算机科学 2021-02-16 Chang Xu , Jun Wang , Yuqing Tang , Francisco Guzman , Benjamin I. P. Rubinstein , Trevor Cohn

Data poisoning is an adversarial scenario where an attacker feeds a specially crafted sequence of samples to an online model in order to subvert learning. We introduce Lethean Attack, a novel data poisoning technique that induces…

密码学与安全 · 计算机科学 2020-11-26 Eyal Perry

We study the problem of attacking a machine learning model in the hard-label black-box setting, where no model information is revealed except that the attacker can make queries to probe the corresponding hard-label decisions. This is a very…

机器学习 · 计算机科学 2018-07-13 Minhao Cheng , Thong Le , Pin-Yu Chen , Jinfeng Yi , Huan Zhang , Cho-Jui Hsieh

Data poisoning is one of the most relevant security threats against machine learning and data-driven technologies. Since many applications rely on untrusted training data, an attacker can easily craft malicious samples and inject them into…

密码学与安全 · 计算机科学 2021-12-01 Nicolas M. Müller , Simon Roschmann , Konstantin Böttinger

Machine learning systems trained on user-provided data are susceptible to data poisoning attacks, whereby malicious users inject false training data with the aim of corrupting the learned model. While recent work has proposed a number of…

机器学习 · 计算机科学 2017-11-27 Jacob Steinhardt , Pang Wei Koh , Percy Liang

Research in adversarial machine learning (AML) has shown that statistical models are vulnerable to maliciously altered data. However, despite advances in Bayesian machine learning models, most AML research remains concentrated on classical…

机器学习 · 统计学 2025-06-04 Matthieu Carreau , Roi Naveiro , William N. Caballero

This paper proposes an online environment poisoning algorithm tailored for reinforcement learning agents operating in a black-box setting, where an adversary deliberately manipulates training data to lead the agent toward a mischievous…

机器学习 · 计算机科学 2024-12-03 Jianhui Li , Bokang Zhang , Junfeng Wu

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…

机器学习 · 计算机科学 2018-08-29 Yizhen Wang , Kamalika Chaudhuri

Web-scraped datasets are vulnerable to data poisoning, which can be used for backdooring deep image classifiers during training. Since training on large datasets is expensive, a model is trained once and re-used many times. Unlike…

机器学习 · 计算机科学 2024-01-23 Benjamin Schneider , Nils Lukas , Florian Kerschbaum

Hard-label black-box attacks, relying solely on top-1 predictions, represent one of the most challenging yet practically threat models. Despite recent progress, existing approaches face two key limitations: (1) they overlook the critical…

机器学习 · 计算机科学 2026-05-25 Jun Liu , Leo Yu Zhang , Fengpeng Li , Isao Echizen , Jiantao Zhou

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…

密码学与安全 · 计算机科学 2022-06-17 Shawn Shan , Arjun Nitin Bhagoji , Haitao Zheng , Ben Y. Zhao

Training-data poisoning attacks can induce targeted, undetectable failure in deep neural networks by corrupting a vanishingly small fraction of training labels. We demonstrate this on acoustic vehicle classification using the MELAUDIS urban…

密码学与安全 · 计算机科学 2026-02-27 Harrison Dahme

Data poisoning attacks compromise the integrity of machine-learning models by introducing malicious training samples to influence the results during test time. In this work, we investigate backdoor data poisoning attack on deep neural…

机器学习 · 计算机科学 2019-12-04 Mahesh Subedar , Nilesh Ahuja , Ranganath Krishnan , Ibrahima J. Ndiour , Omesh Tickoo

As the number of parameters in Deep Neural Networks (DNNs) scales, the thirst for training data also increases. To save costs, it has become common for users and enterprises to delegate time-consuming data collection to third parties.…

密码学与安全 · 计算机科学 2023-10-17 Ziqiang Li , Pengfei Xia , Hong Sun , Yueqi Zeng , Wei Zhang , Bin Li

The unprecedented availability of training data fueled the rapid development of powerful neural networks in recent years. However, the need for such large amounts of data leads to potential threats such as poisoning attacks: adversarial…

机器学习 · 计算机科学 2024-03-21 Fabio De Gaspari , Dorjan Hitaj , Luigi V. Mancini

Adversarial robustness in structured data remains an underexplored frontier compared to vision and language domains. In this work, we introduce a novel black-box, decision-based adversarial attack tailored for tabular data. Our approach…

机器学习 · 计算机科学 2025-11-25 Roie Kazoom , Yuval Ratzabi , Etamar Rothstein , Ofer Hadar

We revisit the efficacy of several practical methods for approximate machine unlearning developed for large-scale deep learning. In addition to complying with data deletion requests, one often-cited potential application for unlearning…

机器学习 · 计算机科学 2026-01-16 Martin Pawelczyk , Jimmy Z. Di , Yiwei Lu , Gautam Kamath , Ayush Sekhari , Seth Neel

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…

机器学习 · 计算机科学 2021-02-12 Pooya Tavallali , Vahid Behzadan , Peyman Tavallali , Mukesh Singhal

Machine learning based data-driven technologies have shown impressive performances in a variety of application domains. Most enterprises use data from multiple sources to provide quality applications. The reliability of the external data…

机器学习 · 计算机科学 2021-06-01 Rosni K Vasu , Sanjay Seetharaman , Shubham Malaviya , Manish Shukla , Sachin Lodha