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相关论文: Graph Universal Adversarial Attacks: A Few Bad Act…

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Despite the remarkable capabilities demonstrated by Graph Neural Networks (GNNs) in graph-related tasks, recent research has revealed the fairness vulnerabilities in GNNs when facing malicious adversarial attacks. However, all existing…

机器学习 · 计算机科学 2024-10-31 Zihan Luo , Hong Huang , Yongkang Zhou , Jiping Zhang , Nuo Chen , Hai Jin

Recent research has revealed that Graph Neural Networks (GNNs) are susceptible to adversarial attacks targeting the graph structure. A malicious attacker can manipulate a limited number of edges, given the training labels, to impair the…

机器学习 · 计算机科学 2023-03-30 Zihan Liu , Ge Wang , Yun Luo , Stan Z. Li

Graph modeling allows numerous security problems to be tackled in a general way, however, little work has been done to understand their ability to withstand adversarial attacks. We design and evaluate two novel graph attacks against a…

Graph adversarial attacks are usually produced from the two perspectives of topology/structure and node feature, both of them represent the paramount characteristics learned by today's deep learning models. Although some defense…

密码学与安全 · 计算机科学 2026-04-20 Xinxin Fan , Wenxiong Chen , Quanliang Jing , Chi Lin , Shaoye Luo , Wenbo Song , Yunfeng Lu

It is well-known that deep learning models are vulnerable to small input perturbations. Such perturbed instances are called adversarial examples. Adversarial examples are commonly crafted to fool a model either at training time (poisoning)…

机器学习 · 计算机科学 2023-12-12 Ege Erdogan , Simon Geisler , Stephan Günnemann

Graphs are used widely to model complex systems, and detecting anomalies in a graph is an important task in the analysis of complex systems. Graph anomalies are patterns in a graph that do not conform to normal patterns expected of the…

机器学习 · 计算机科学 2022-10-05 Hwan Kim , Byung Suk Lee , Won-Yong Shin , Sungsu Lim

Graph neural networks (GNNs) have achieved remarkable success in relational learning. However, their vulnerability to graph backdoor attacks (GBAs) poses a significant barrier to broader adoption in high-stakes applications. Despite recent…

密码学与安全 · 计算机科学 2026-05-26 Mengting Pan , Fan Li , Chen Chen , Xiaoyang Wang

Graph Neural Networks (GNNs) have shown remarkable performance on graph-structured data. However, recent empirical studies suggest that GNNs are very susceptible to distribution shift. There is still significant ambiguity about why…

机器学习 · 计算机科学 2023-06-07 Qi Zhu , Yizhu Jiao , Natalia Ponomareva , Jiawei Han , Bryan Perozzi

Despite the success of graph neural networks (GNNs), their vulnerability to adversarial attacks poses tremendous challenges for practical applications. Existing defense methods suffer from severe performance decline under unseen attacks,…

机器学习 · 计算机科学 2024-04-26 Shuchang Tao , Qi Cao , Huawei Shen , Yunfan Wu , Bingbing Xu , Xueqi Cheng

Graph neural networks (GNNs) have been increasingly deployed in various applications that involve learning on non-Euclidean data. However, recent studies show that GNNs are vulnerable to graph adversarial attacks. Although there are several…

机器学习 · 计算机科学 2023-01-10 Chenhui Deng , Xiuyu Li , Zhuo Feng , Zhiru Zhang

Deep neural networks (DNNs) have become popular for medical image analysis tasks like cancer diagnosis and lesion detection. However, a recent study demonstrates that medical deep learning systems can be compromised by carefully-engineered…

计算机视觉与模式识别 · 计算机科学 2021-07-05 Xingjun Ma , Yuhao Niu , Lin Gu , Yisen Wang , Yitian Zhao , James Bailey , Feng Lu

Extensive research has highlighted the vulnerability of graph neural networks (GNNs) to adversarial attacks, including manipulation, node injection, and the recently emerging threat of backdoor attacks. However, existing defenses typically…

机器学习 · 计算机科学 2025-10-20 Yuyuan Feng , Bin Ma , Enyan Dai

Graph neural networks exhibit remarkable performance in graph data analysis. However, the robustness of GNN models remains a challenge. As a result, they are not reliable enough to be deployed in critical applications. Recent studies…

机器学习 · 计算机科学 2021-09-14 Xugang Wu , Huijun Wu , Xu Zhou , Kai Lu

Identifying vulnerable code is a precautionary measure to counter software security breaches. Tedious expert effort has been spent to build static analyzers, yet insecure patterns are barely fully enumerated. This work explores a deep…

人工智能 · 计算机科学 2021-09-09 Yufan Zhuang , Sahil Suneja , Veronika Thost , Giacomo Domeniconi , Alessandro Morari , Jim Laredo

Graph neural networks (GNNs) have attracted significant attention for their outstanding performance in graph learning and node classification tasks. However, their vulnerability to adversarial attacks, particularly through susceptible…

机器学习 · 计算机科学 2024-11-19 Sepideh Neshatfar , Salimeh Yasaei Sekeh

Graph neural networks (GNNs) are becoming the de facto method to learn on the graph data and have achieved the state-of-the-art on node and graph classification tasks. However, recent works show GNNs are vulnerable to training-time…

机器学习 · 计算机科学 2025-03-25 Jiate Li , Meng Pang , Yun Dong , Binghui Wang

As Graph Neural Networks (GNNs) become increasingly popular for learning from large-scale graph data across various domains, their susceptibility to adversarial attacks when using graph reduction techniques for scalability remains…

机器学习 · 计算机科学 2025-07-08 Kerui Wu , Ka-Ho Chow , Wenqi Wei , Lei Yu

Graph Neural Networks (GNNs) are widely adopted to analyse non-Euclidean data, such as chemical networks, brain networks, and social networks, modelling complex relationships and interdependency between objects. Recently, Membership…

机器学习 · 计算机科学 2021-10-19 Bang Wu , Xiangwen Yang , Shirui Pan , Xingliang Yuan

In recent years, graph neural networks (GNNs) have shown great potential in addressing various graph structure-related downstream tasks. However, recent studies have found that current GNNs are susceptible to malicious adversarial attacks.…

机器学习 · 计算机科学 2025-04-30 Junyuan Fang , Huimin Liu , Han Yang , Jiajing Wu , Zibin Zheng , Chi K. Tse

Graph Neural Networks (GNNs) have demonstrated remarkable proficiency in modeling data with graph structures, yet recent research reveals their susceptibility to adversarial attacks. Traditional attack methodologies, which rely on…

机器学习 · 计算机科学 2025-06-23 Wenlun Zhang , Enyan Dai , Kentaro Yoshioka