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The black-box nature of deep neural networks (DNNs) facilitates attackers to manipulate the behavior of DNN through data poisoning. Being able to detect and mitigate poisoning attacks, typically categorized into backdoor and adversarial…

Cryptography and Security · Computer Science 2020-06-23 Junfeng Guo , Ting Wang , Cong Liu

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

Without direct access to the client's data, federated learning (FL) is well-known for its unique strength in data privacy protection among existing distributed machine learning techniques. However, its distributive and iterative nature…

Machine Learning · Computer Science 2026-04-14 Hanxi Guo , Hao Wang , Tao Song , Tianhang Zheng , Yang Hua , Haibing Guan , Xiangyu Zhang

Backdoor attacks, which maliciously control a well-trained model's outputs of the instances with specific triggers, are recently shown to be serious threats to the safety of reusing deep neural networks (DNNs). In this work, we propose an…

Computation and Language · Computer Science 2021-10-18 Wenkai Yang , Yankai Lin , Peng Li , Jie Zhou , Xu Sun

Deep neural networks (DNNs) are known to be vulnerable to adversarial examples which contain human-imperceptible perturbations. A series of defending methods, either proactive defence or reactive defence, have been proposed in the recent…

Machine Learning · Computer Science 2020-07-27 Derek Wang , Chaoran Li , Sheng Wen , Surya Nepal , Yang Xiang

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…

Machine Learning · Computer Science 2024-01-23 Benjamin Schneider , Nils Lukas , Florian Kerschbaum

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…

Machine Learning · Computer Science 2018-03-13 Pan Li , Qiang Liu , Wentao Zhao , Dongxu Wang , Siqi Wang

Deep learning models are vulnerable to backdoor attacks, where attackers inject malicious behavior through data poisoning and later exploit triggers to manipulate deployed models. To improve the stealth and effectiveness of backdoors, prior…

Cryptography and Security · Computer Science 2024-09-10 Xiaolei Liu , Ming Yi , Kangyi Ding , Bangzhou Xin , Yixiao Xu , Li Yan , Chao Shen

Deep neural networks (DNNs) have been found to be vulnerable to backdoor attacks, raising security concerns about their deployment in mission-critical applications. While existing defense methods have demonstrated promising results, it is…

Machine Learning · Computer Science 2023-12-11 Yige Li , Xixiang Lyu , Xingjun Ma , Nodens Koren , Lingjuan Lyu , Bo Li , Yu-Gang Jiang

Deep learning (DL) models for natural language-to-code generation have become integral to modern software development pipelines. However, their heavy reliance on large amounts of data, often collected from unsanitized online sources,…

Cryptography and Security · Computer Science 2025-09-01 Cristina Improta

Machine learning techniques have been widely applied to various applications. However, they are potentially vulnerable to data poisoning attacks, where sophisticated attackers can disrupt the learning procedure by injecting a fraction of…

Cryptography and Security · Computer Science 2021-05-11 Jian Chen , Xuxin Zhang , Rui Zhang , Chen Wang , Ling Liu

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

During fine-tuning, large language models (LLMs) are increasingly vulnerable to data-poisoning backdoor attacks, which compromise their reliability and trustworthiness. However, existing defense strategies suffer from limited…

Cryptography and Security · Computer Science 2025-10-13 Shuai Zhao , Xinyi Wu , Shiqian Zhao , Xiaobao Wu , Zhongliang Guo , Yanhao Jia , Anh Tuan Luu

Recently, advanced NLP models have seen a surge in the usage of various applications. This raises the security threats of the released models. In addition to the clean models' unintentional weaknesses, {\em i.e.,} adversarial attacks, the…

Computation and Language · Computer Science 2021-01-18 Lichao Sun

Differential Privacy (DP) is the de facto standard for reasoning about the privacy guarantees of a training algorithm. Despite the empirical observation that DP reduces the vulnerability of models to existing membership inference (MI)…

Machine Learning · Computer Science 2022-12-20 Anvith Thudi , Ilia Shumailov , Franziska Boenisch , Nicolas Papernot

As machine learning systems grow in scale, so do their training data requirements, forcing practitioners to automate and outsource the curation of training data in order to achieve state-of-the-art performance. The absence of trustworthy…

Machine Learning · Computer Science 2021-04-02 Micah Goldblum , Dimitris Tsipras , Chulin Xie , Xinyun Chen , Avi Schwarzschild , Dawn Song , Aleksander Madry , Bo Li , Tom Goldstein

We have witnessed the continuing arms race between backdoor attacks and the corresponding defense strategies on Deep Neural Networks (DNNs). Most state-of-the-art defenses rely on the statistical sanitization of the "inputs" or "latent DNN…

Machine Learning · Computer Science 2020-12-15 Hassan Ali , Surya Nepal , Salil S. Kanhere , Sanjay Jha

Public resources and services (e.g., datasets, training platforms, pre-trained models) have been widely adopted to ease the development of Deep Learning-based applications. However, if the third-party providers are untrusted, they can…

Cryptography and Security · Computer Science 2024-01-10 Han Qiu , Yi Zeng , Shangwei Guo , Tianwei Zhang , Meikang Qiu , Bhavani Thuraisingham

Deep learning models are susceptible to {\em backdoor attacks} involving malicious attackers perturbing a small subset of training data with a {\em trigger} to causes misclassifications. Various triggers have been used, including semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Venkat Adithya Amula , Sunayana Samavedam , Saurabh Saini , Avani Gupta , Narayanan P J

Deep neural networks are vulnerable to backdoor attacks (Trojans), where an attacker poisons the training set with backdoor triggers so that the neural network learns to classify test-time triggers to the attacker's designated target class.…

Machine Learning · Computer Science 2023-08-10 Hang Wang , Zhen Xiang , David J. Miller , George Kesidis