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Graph Neural Networks (GNNs) have demonstrated significant application potential in various fields. However, GNNs are still vulnerable to adversarial attacks. Numerous adversarial defense methods on GNNs are proposed to address the problem…

社会与信息网络 · 计算机科学 2024-06-21 Tao Wu , Xinwen Cao , Chao Wang , Shaojie Qiao , Xingping Xian , Lin Yuan , Canyixing Cui , Yanbing Liu

Graph neural networks (GNNs) have attracted increasing interests. With broad deployments of GNNs in real-world applications, there is an urgent need for understanding the robustness of GNNs under adversarial attacks, especially in realistic…

机器学习 · 计算机科学 2021-06-22 Jiaqi Ma , Junwei Deng , Qiaozhu Mei

Graph Neural Networks (GNNs) have made significant advances on several fundamental inference tasks. As a result, there is a surge of interest in using these models for making potentially important decisions in high-regret applications.…

机器学习 · 计算机科学 2020-02-26 Kaidi Xu , Sijia Liu , Pin-Yu Chen , Mengshu Sun , Caiwen Ding , Bhavya Kailkhura , Xue Lin

Graph Neural Networks (GNNs) are increasingly important given their popularity and the diversity of applications. Yet, existing studies of their vulnerability to adversarial attacks rely on relatively small graphs. We address this gap and…

Graph neural networks (GNNs) have become instrumental in diverse real-world applications, offering powerful graph learning capabilities for tasks such as social networks and medical data analysis. Despite their successes, GNNs are…

机器学习 · 计算机科学 2024-06-13 Peizhi Niu , Chao Pan , Siheng Chen , Olgica Milenkovic

Graph Neural Networks (GNNs) are neural models that leverage the dependency structure in graphical data via message passing among the graph nodes. GNNs have emerged as pivotal architectures in analyzing graph-structured data, and their…

机器学习 · 计算机科学 2024-03-19 Xu Zheng , Farhad Shirani , Tianchun Wang , Wei Cheng , Zhuomin Chen , Haifeng Chen , Hua Wei , Dongsheng Luo

Recent years have witnessed the deployment of adversarial attacks to evaluate the robustness of Neural Networks. Past work in this field has relied on traditional optimization algorithms that ignore the inherent structure of the problem and…

机器学习 · 计算机科学 2021-06-01 Florian Jaeckle , M. Pawan Kumar

As the availability of financial services online continues to grow, the incidence of fraud has surged correspondingly. Fraudsters continually seek new and innovative ways to circumvent the detection algorithms in place. Traditionally, fraud…

机器学习 · 计算机科学 2024-11-25 Prashank Kadam

Graph Neural Networks (GNNs) have shown promising results in modeling graphs in various tasks. The training of GNNs, especially on specialized tasks such as bioinformatics, demands extensive expert annotations, which are expensive and…

机器学习 · 计算机科学 2025-05-27 Minhua Lin , Enyan Dai , Junjie Xu , Jinyuan Jia , Xiang Zhang , Suhang Wang

Generalization of machine learning models can be severely compromised by data poisoning, where adversarial changes are applied to the training data. This vulnerability has led to interest in certifying (i.e., proving) that such changes up…

机器学习 · 计算机科学 2025-07-16 Lukas Gosch , Mahalakshmi Sabanayagam , Debarghya Ghoshdastidar , Stephan Günnemann

Graph neural network (GNN), the mainstream method to learn on graph data, is vulnerable to graph evasion attacks, where an attacker slightly perturbing the graph structure can fool trained GNN models. Existing work has at least one of the…

密码学与安全 · 计算机科学 2023-12-19 Binghui Wang , Tianxiang Zhou , Minhua Lin , Pan Zhou , Ang Li , Meng Pang , Hai Li , Yiran Chen

Deep Neural Networks (DNNs) have shown great promise in various domains. However, vulnerabilities associated with DNN training, such as backdoor attacks, are a significant concern. These attacks involve the subtle insertion of triggers…

密码学与安全 · 计算机科学 2025-09-18 Bart Pleiter , Behrad Tajalli , Stefanos Koffas , Gorka Abad , Jing Xu , Martha Larson , Stjepan Picek

Graph is an important data representation ubiquitously existing in the real world. However, analyzing the graph data is computationally difficult due to its non-Euclidean nature. Graph embedding is a powerful tool to solve the graph…

密码学与安全 · 计算机科学 2021-10-07 Zhikun Zhang , Min Chen , Michael Backes , Yun Shen , Yang Zhang

The rapid evolution of malware has necessitated the development of sophisticated detection methods that go beyond traditional signature-based approaches. Graph learning techniques have emerged as powerful tools for modeling and analyzing…

The participation of third-party entities in the globalized semiconductor supply chain introduces potential security vulnerabilities, such as intellectual property piracy and hardware Trojan (HT) insertion. Graph neural networks (GNNs) have…

密码学与安全 · 计算机科学 2023-03-30 Lilas Alrahis , Ozgur Sinanoglu

Malware detection has become a major concern due to the increasing number and complexity of malware. Traditional detection methods based on signatures and heuristics are used for malware detection, but unfortunately, they suffer from poor…

密码学与安全 · 计算机科学 2023-08-21 Tristan Bilot , Nour El Madhoun , Khaldoun Al Agha , Anis Zouaoui

In light of rising cybersecurity threats, data center providers face growing pressure to protect their own management infrastructure from Distributed Denial-of-Service (DDoS) attacks. While tenant-managed cages generally fall outside the…

密码学与安全 · 计算机科学 2026-03-17 Kartikeya Sharma , Craig Jacobik

Graph Neural Networks (GNNs) have emerged as a prominent graph learning model in various graph-based tasks over the years. Nevertheless, due to the vulnerabilities of GNNs, it has been empirically shown that malicious attackers could easily…

机器学习 · 计算机科学 2025-12-23 Yushun Dong , Binchi Zhang , Hanghang Tong , Jundong Li

Graph neural networks (GNNs) have attracted much attention due to their ability to leverage the intrinsic geometries of the underlying data. Although many different types of GNN models have been developed, with many benchmarking procedures…

The emergence of graph foundation models (GFMs), particularly those incorporating language models (LMs), has revolutionized graph learning and demonstrated remarkable performance on text-attributed graphs (TAGs). However, compared to…

密码学与安全 · 计算机科学 2025-10-17 Xiaoyu Xue , Yuni Lai , Chenxi Huang , Yulin Zhu , Gaolei Li , Xiaoge Zhang , Kai Zhou