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Federated learning is a promising approach for training machine learning models while preserving data privacy. However, its distributed nature makes it vulnerable to backdoor attacks, particularly in NLP tasks, where related research…

机器学习 · 计算机科学 2025-07-31 Minyeong Choe , Cheolhee Park , Changho Seo , Hyunil Kim

Voice authentication systems remain susceptible to two major threats: backdoor triggered attacks and targeted data poisoning attacks. This dual vulnerability is critical because conventional solutions typically address each threat type…

密码学与安全 · 计算机科学 2025-05-07 Alireza Mohammadi , Keshav Sood , Dhananjay Thiruvady , Asef Nazari

Recently, backdoor attack has become an increasing security threat to deep neural networks and drawn the attention of researchers. Backdoor attacks exploit vulnerabilities in third-party pretrained models during the training phase, enabling…

密码学与安全 · 计算机科学 2024-10-18 Lu Pang , Tao Sun , Weimin Lyu , Haibin Ling , Chao Chen

Backdoor attacks pose a serious security threat to large language models (LLMs), which are increasingly deployed as general-purpose assistants in safety- and privacy-critical applications. Existing LLM backdoors rely primarily on…

密码学与安全 · 计算机科学 2026-05-15 Rui Wen , Mark Russinovich , Andrew Paverd , Jun Sakuma , Ahmed Salem

Deep reinforcement learning (DRL) has made significant achievements in many real-world applications. But these real-world applications typically can only provide partial observations for making decisions due to occlusions and noisy sensors.…

机器学习 · 计算机科学 2022-12-13 Yinbo Yu , Jiajia Liu , Shouqing Li , Kepu Huang , Xudong Feng

Backdoor attacks can cause reinforcement learning (RL) policies to behave normally under clean inputs while executing malicious behaviors when triggers are present. Existing RL backdoor attacks are primarily studied in simulation and often…

机器人学 · 计算机科学 2026-05-14 Tairan Huang , Qingqing Ye , Yulin Jin , Jiawei Lian , Yaxin Xiao , Yi Wang , Haibo Hu

Backdoor attack is a new AI security risk that has emerged in recent years. Drawing on the previous research of adversarial attack, we argue that the backdoor attack has the potential to tap into the model learning process and improve model…

密码学与安全 · 计算机科学 2022-02-23 Shangxi Wu , Qiuyang He , Yi Zhang , Jitao Sang

Vision-Language-Action (VLA) models have advanced robotic control by enabling end-to-end decision-making directly from multimodal inputs. However, their tightly coupled architectures expose novel security vulnerabilities. Unlike traditional…

密码学与安全 · 计算机科学 2025-05-23 Xueyang Zhou , Guiyao Tie , Guowen Zhang , Hechang Wang , Pan Zhou , Lichao Sun

Recent work has demonstrated robust mechanisms by which attacks can be orchestrated on machine learning models. In contrast to adversarial examples, backdoor or trojan attacks embed surgically modified samples with targeted labels in the…

密码学与安全 · 计算机科学 2019-03-19 Zhaoyuan Yang , Naresh Iyer , Johan Reimann , Nurali Virani

Real-world deep learning models developed for Time Series Forecasting are used in several critical applications ranging from medical devices to the security domain. Many previous works have shown how deep learning models are prone to…

机器学习 · 计算机科学 2023-01-30 Yuvaraj Govindarajulu , Avinash Amballa , Pavan Kulkarni , Manojkumar Parmar

Multivariate time series (MTS) forecasting is vital across various domains but remains challenging due to the need to simultaneously model temporal and inter-variate dependencies. Existing channel-dependent models, where Transformer-based…

机器学习 · 计算机科学 2025-02-03 Junwoo Ha , Hyukjae Kwon , Sungsoo Kim , Kisu Lee , Seungjae Park , Ha Young Kim

Machine learning systems are vulnerable to backdoor attacks, where attackers manipulate model behavior through data tampering or architectural modifications. Traditional backdoor attacks involve injecting malicious samples with specific…

密码学与安全 · 计算机科学 2025-09-24 Yuan Ma , Jiankang Wei , Yilun Lyu , Kehao Chen , Jingtong Huang

Assessing the safety of autonomous driving (AD) systems against security threats, particularly backdoor attacks, is a stepping stone for real-world deployment. However, existing works mainly focus on pixel-level triggers that are…

密码学与安全 · 计算机科学 2025-10-14 Xuan Chen , Shiwei Feng , Zikang Xiong , Shengwei An , Yunshu Mao , Lu Yan , Guanhong Tao , Wenbo Guo , Xiangyu Zhang

LiDAR-based 3D object detection is widely used in safety-critical systems. However, these systems remain vulnerable to backdoor attacks that embed hidden malicious behaviors during training. A key limitation of existing backdoor attacks is…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Saket S. Chaturvedi , Gaurav Bagwe , Lan Zhang , Pan He , Xiaoyong Yuan

Desynchronization approaches in wireless sensor networks converge to time-division multiple access (TDMA) of the shared medium without requiring clock synchronization amongst the wireless sensors, or indeed the presence of a central…

网络与互联网体系结构 · 计算机科学 2015-06-23 Dujdow Buranapanichkit , Nikos Deligiannis , Yiannis Andreopoulos

With extensive studies on backdoor attack and detection, still fundamental questions are left unanswered regarding the limits in the adversary's capability to attack and the defender's capability to detect. We believe that answers to these…

密码学与安全 · 计算机科学 2022-10-14 Di Tang , Rui Zhu , XiaoFeng Wang , Haixu Tang , Yi Chen

Federated learning (FL) is widely used in Internet-of-Things (IoT) systems, but its distributed training process also exposes it to backdoor attacks. Existing studies mainly consider single-target or centralized multi-target settings, while…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Tao Liu , Dapeng Man , Jiguang Lv , Chen Xu , Weiye Xi , Huanran Wang , Yuhang Zhang , Tianming Zhao , Wu Yang

Current backdoor attacks against federated learning (FL) strongly rely on universal triggers or semantic patterns, which can be easily detected and filtered by certain defense mechanisms such as norm clipping, comparing parameter…

机器学习 · 计算机科学 2023-10-02 Yanqi Qiao , Dazhuang Liu , Congwen Chen , Rui Wang , Kaitai Liang

In recent years, person Re-identification (ReID) has rapidly progressed with wide real-world applications, but also poses significant risks of adversarial attacks. In this paper, we focus on the backdoor attack on deep ReID models. Existing…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Wenli Sun , Xinyang Jiang , Shuguang Dou , Dongsheng Li , Duoqian Miao , Cheng Deng , Cairong Zhao

Backdoor attacks have emerged as a critical security threat against deep neural networks in recent years. The majority of existing backdoor attacks focus on targeted backdoor attacks, where trigger is strongly associated to specific…

密码学与安全 · 计算机科学 2025-06-24 Yinghao Wu , Liyan Zhang