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Backdoor attacks pose a serious security threat for training neural networks as they surreptitiously introduce hidden functionalities into a model. Such backdoors remain silent during inference on clean inputs, evading detection due to…

Cryptography and Security · Computer Science 2023-12-15 Lukas Struppek , Martin B. Hentschel , Clifton Poth , Dominik Hintersdorf , Kristian Kersting

We present a certified defense to clean-label poisoning attacks under $\ell_2$-norm. These attacks work by injecting a small number of poisoning samples (e.g., 1%) that contain bounded adversarial perturbations into the training data to…

Cryptography and Security · Computer Science 2025-06-03 Sanghyun Hong , Nicholas Carlini , Alexey Kurakin

Federated Learning systems are increasingly subjected to a multitude of model poisoning attacks from clients. Among these, edge-case attacks that target a small fraction of the input space are nearly impossible to detect using existing…

Machine Learning · Computer Science 2024-08-15 Kiran Purohit , Soumi Das , Sourangshu Bhattacharya , Santu Rana

Diffusion models have attracted significant attention due to its exceptional data generation capabilities in fields such as image synthesis. However, recent studies have shown that diffusion models are vulnerable to copyright infringement…

Artificial Intelligence · Computer Science 2025-08-22 Zhixiang Guo , Siyuan Liang , Aishan Liu , Dacheng Tao

Dataset distillation offers a potential means to enhance data efficiency in deep learning. Recent studies have shown its ability to counteract backdoor risks present in original training samples. In this study, we delve into the theoretical…

Machine Learning · Computer Science 2025-06-03 Ming-Yu Chung , Sheng-Yen Chou , Chia-Mu Yu , Pin-Yu Chen , Sy-Yen Kuo , Tsung-Yi Ho

Deep neural networks (DNNs) are susceptible to backdoor attacks, where adversaries poison datasets with adversary-specified triggers to implant hidden backdoors, enabling malicious manipulation of model predictions. Dataset purification…

Cryptography and Security · Computer Science 2025-06-24 Linshan Hou , Wei Luo , Zhongyun Hua , Songhua Chen , Leo Yu Zhang , Yiming Li

Dataset distillation has emerged as a prominent technique to improve data efficiency when training machine learning models. It encapsulates the knowledge from a large dataset into a smaller synthetic dataset. A model trained on this smaller…

Cryptography and Security · Computer Science 2023-01-04 Yugeng Liu , Zheng Li , Michael Backes , Yun Shen , Yang Zhang

Backdoor attacks pose a significant threat to deep neural networks, particularly as recent advancements have led to increasingly subtle implantation, making the defense more challenging. Existing defense mechanisms typically rely on an…

Cryptography and Security · Computer Science 2024-09-19 Yukai Xu , Yujie Gu , Kouichi Sakurai

Backdoor attacks are emerging threats to deep neural networks, which typically embed malicious behaviors into a victim model by injecting poisoned samples. Adversaries can activate the injected backdoor during inference by presenting the…

Cryptography and Security · Computer Science 2025-12-05 Bingyin Zhao , Yingjie Lao

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…

Cryptography and Security · Computer Science 2025-02-07 Ziyuan Yang , Ming Yan , Yi Zhang , Joey Tianyi Zhou

Deep neural networks are vulnerable to backdoor attacks, a type of adversarial attack that poisons the training data to manipulate the behavior of models trained on such data. Clean-label attacks are a more stealthy form of backdoor attacks…

Machine Learning · Computer Science 2024-07-17 Quang H. Nguyen , Nguyen Ngoc-Hieu , The-Anh Ta , Thanh Nguyen-Tang , Kok-Seng Wong , Hoang Thanh-Tung , Khoa D. Doan

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

Multimodal Diffusion Language Models (MDLMs) have recently emerged as a competitive alternative to their autoregressive counterparts. Yet their vulnerability to backdoor attacks remains largely unexplored. In this work, we show that…

Cryptography and Security · Computer Science 2026-02-27 Guangnian Wan , Qi Li , Gongfan Fang , Xinyin Ma , Xinchao Wang

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

Train-time data poisoning attacks threaten machine learning models by introducing adversarial examples during training, leading to misclassification. Current defense methods often reduce generalization performance, are attack-specific, and…

Machine Learning · Computer Science 2024-06-04 Sunay Bhat , Jeffrey Jiang , Omead Pooladzandi , Alexander Branch , Gregory Pottie

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

Many machine learning systems rely on data collected in the wild from untrusted sources, exposing the learning algorithms to data poisoning. Attackers can inject malicious data in the training dataset to subvert the learning process,…

Machine Learning · Statistics 2018-10-04 Andrea Paudice , Luis Muñoz-González , Emil C. Lupu

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…

Machine Learning · Computer Science 2024-03-21 Fabio De Gaspari , Dorjan Hitaj , Luigi V. Mancini

Backdoor attacks represent a subtle yet effective class of cyberattacks targeting AI models, primarily due to their stealthy nature. The model behaves normally on clean data but exhibits malicious behavior only when the attacker embeds a…

Machine Learning · Computer Science 2025-09-29 Sujeevan Aseervatham , Achraf Kerzazi , Younès Bennani

Data poisoning is a type of adversarial attack on training data where an attacker manipulates a fraction of data to degrade the performance of machine learning model. Therefore, applications that rely on external data-sources for training…

Machine Learning · Computer Science 2021-04-28 Sanjay Seetharaman , Shubham Malaviya , Rosni KV , Manish Shukla , Sachin Lodha
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