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In big data era, machine learning is one of fundamental techniques in intrusion detection systems (IDSs). However, practical IDSs generally update their decision module by feeding new data then retraining learning models in a periodical…

机器学习 · 计算机科学 2018-03-13 Pan Li , Qiang Liu , Wentao Zhao , Dongxu Wang , Siqi Wang

In a poisoning attack, an adversary with control over a small fraction of the training data attempts to select that data in a way that induces a corrupted model that misbehaves in favor of the adversary. We consider poisoning attacks…

机器学习 · 计算机科学 2021-04-22 Fnu Suya , Saeed Mahloujifar , Anshuman Suri , David Evans , Yuan Tian

Test-time personalization in federated learning enables models at clients to adjust online to local domain shifts, enhancing robustness and personalization in deployment. Yet, existing federated learning work largely overlooks the security…

密码学与安全 · 计算机科学 2025-11-25 Md Akil Raihan Iftee , Syed Md. Ahnaf Hasan , Amin Ahsan Ali , AKM Mahbubur Rahman , Sajib Mistry , Aneesh Krishna

We investigate security concerns of the emergent instruction tuning paradigm, that models are trained on crowdsourced datasets with task instructions to achieve superior performance. Our studies demonstrate that an attacker can inject…

计算与语言 · 计算机科学 2024-04-04 Jiashu Xu , Mingyu Derek Ma , Fei Wang , Chaowei Xiao , Muhao Chen

We introduce a new class of attacks on machine learning models. We show that an adversary who can poison a training dataset can cause models trained on this dataset to leak significant private details of training points belonging to other…

密码学与安全 · 计算机科学 2022-10-07 Florian Tramèr , Reza Shokri , Ayrton San Joaquin , Hoang Le , Matthew Jagielski , Sanghyun Hong , Nicholas Carlini

Preference learning is a central component for aligning current LLMs, but this process can be vulnerable to data poisoning attacks. To address this concern, we introduce PoisonBench, a benchmark for evaluating large language models'…

密码学与安全 · 计算机科学 2025-06-09 Tingchen Fu , Mrinank Sharma , Philip Torr , Shay B. Cohen , David Krueger , Fazl Barez

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…

机器学习 · 计算机科学 2025-05-30 Huazi Pan , Yanjun Zhang , Leo Yu Zhang , Scott Adams , Abbas Kouzani , Suiyang Khoo

Two widely used techniques for training supervised machine learning models on small datasets are Active Learning and Transfer Learning. The former helps to optimally use a limited budget to label new data. The latter uses large pre-trained…

机器学习 · 计算机科学 2021-01-28 Nicolas M. Müller , Konstantin Böttinger

Large organizations such as social media companies continually release data, for example user images. At the same time, these organizations leverage their massive corpora of released data to train proprietary models that give them an edge…

密码学与安全 · 计算机科学 2021-03-08 Liam Fowl , Ping-yeh Chiang , Micah Goldblum , Jonas Geiping , Arpit Bansal , Wojtek Czaja , Tom Goldstein

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

Recently, various parameter-efficient fine-tuning (PEFT) strategies for application to language models have been proposed and successfully implemented. However, this raises the question of whether PEFT, which only updates a limited set of…

密码学与安全 · 计算机科学 2024-04-01 Shuai Zhao , Leilei Gan , Luu Anh Tuan , Jie Fu , Lingjuan Lyu , Meihuizi Jia , Jinming Wen

Recent research has successfully demonstrated new types of data poisoning attacks. To address this problem, some researchers have proposed both offline and online data poisoning detection defenses which employ machine learning algorithms to…

密码学与安全 · 计算机科学 2021-05-24 Jack W. Stokes , Paul England , Kevin Kane

Poisoning-based backdoor attacks expose vulnerabilities in the data preparation stage of deep neural network (DNN) training. The DNNs trained on the poisoned dataset will be embedded with a backdoor, making them behave well on clean data…

计算机视觉与模式识别 · 计算机科学 2024-05-10 Binxiao Huang , Jason Chun Lok , Chang Liu , Ngai Wong

We show that by controlling parts of a physical environment in which a pre-trained deep neural network (DNN) is being fine-tuned online, an adversary can launch subtle data poisoning attacks that degrade the performance of the system. While…

机器学习 · 计算机科学 2020-12-08 Naman Patel , Prashanth Krishnamurthy , Siddharth Garg , Farshad Khorrami

Neural networks (NNs) are already deployed in hardware today, becoming valuable intellectual property (IP) as many hours are invested in their training and optimization. Therefore, attackers may be interested in copying, reverse…

密码学与安全 · 计算机科学 2022-04-04 Mahdieh Grailoo , Zain Ul Abideen , Mairo Leier , Samuel Pagliarini

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…

机器学习 · 计算机科学 2020-08-14 Neehar Peri , Neal Gupta , W. Ronny Huang , Liam Fowl , Chen Zhu , Soheil Feizi , Tom Goldstein , John P. Dickerson

The increasing access to data poses both opportunities and risks in deep learning, as one can manipulate the behaviors of deep learning models with malicious training samples. Such attacks are known as data poisoning. Recent advances in…

机器学习 · 计算机科学 2023-06-29 Wenxiao Wang , Soheil Feizi

Deep image classification models trained on vast amounts of web-scraped data are susceptible to data poisoning - a mechanism for backdooring models. A small number of poisoned samples seen during training can severely undermine a model's…

密码学与安全 · 计算机科学 2023-06-30 Nils Lukas , Florian Kerschbaum

The widespread availability of large-scale code datasets has accelerated the development of code large language models (CodeLLMs), raising concerns about unauthorized dataset usage. Dataset poisoning offers a proactive defense by reducing…

密码学与安全 · 计算机科学 2026-04-27 Yuan Xiao , Jiaming Wang , Yuchen Chen , Wei Song , Jun Sun , Shiqing Ma , Yanzhou Mu , Juan Zhai , Chunrong Fang , Jin Song Dong , Zhenyu Chen

Supervised fine-tuning (SFT) is essential for the development of medical large language models (LLMs), yet prior poisoning studies have mainly focused on the detectable backdoor attacks. We propose a novel poisoning attack targeting the…

密码学与安全 · 计算机科学 2026-03-04 Jingyuan Xie , Wenjie Wang , Ji Wu , Jiandong Gao