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Current multi-task adversarial text attacks rely on abundant access to shared internal features and numerous queries, often limited to a single task type. As a result, these attacks are less effective against practical scenarios involving…

Cryptography and Security · Computer Science 2025-08-15 Wenqiang Wang , Yan Xiao , Hao Lin , Yangshijie Zhang , Xiaochun Cao

As cloud computing gains traction, data owners are outsourcing their data to cloud service providers (CSPs) for Database Service (DBaaS), bringing in a deviation of data ownership and usage, and intensifying privacy concerns, especially…

Cryptography and Security · Computer Science 2024-04-11 Hui Li , Jingwen Shi , Qi Tian , Zheng Li , Yan Fu , Bingqing Shen , Yaofeng Tu

Marked temporal point processes (MTPPs) have been shown to be extremely effective in modeling continuous time event sequences (CTESs). In this work, we present adversarial attacks designed specifically for MTPP models. A key criterion for a…

Machine Learning · Computer Science 2025-01-22 Pritish Chakraborty , Vinayak Gupta , Rahul R , Srikanta J. Bedathur , Abir De

The rapid evolution of Text-to-Video (T2V) diffusion models has driven remarkable advancements in generating high-quality, temporally coherent videos from natural language descriptions. Despite these achievements, their vulnerability to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Changzhen Li , Yuecong Min , Jie Zhang , Zheng Yuan , Shiguang Shan , Xilin Chen

In 2013, Boneh and Zhandry introduced the notion of indistinguishability (IND) in chosen plaintext (CPA) and chosen ciphertext (CCA) attacks by a quantum adversary which is given superposition access to an oracle for encryption and…

Quantum Physics · Physics 2016-09-14 Shahram Mossayebi , Rüdiger Schack

Transformer-based text classifiers such as BERT, RoBERTa, T5, and GPT have shown strong performance in natural language processing tasks but remain vulnerable to adversarial examples. These vulnerabilities raise significant security…

Computation and Language · Computer Science 2025-10-27 Bushra Sabir , Yansong Gao , Alsharif Abuadbba , M. Ali Babar

Adversarial attacks in time series classification (TSC) models have recently gained attention due to their potential to compromise model robustness. Imperceptibility is crucial, as adversarial examples detected by the human vision system…

Cryptography and Security · Computer Science 2025-03-26 Wenwei Gu , Renyi Zhong , Jianping Zhang , Michael R. Lyu

Text adversarial attack methods are typically designed for static scenarios with fixed numbers of output labels and a predefined label space, relying on extensive querying of the victim model (query-based attacks) or the surrogate model…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Wenqiang Wang , Siyuan Liang , Xiao Yan , Xiaochun Cao

The robustness of Text-to-SQL parsers against adversarial perturbations plays a crucial role in delivering highly reliable applications. Previous studies along this line primarily focused on perturbations in the natural language question…

Computation and Language · Computer Science 2022-12-21 Xinyu Pi , Bing Wang , Yan Gao , Jiaqi Guo , Zhoujun Li , Jian-Guang Lou

With the advancement of vision transformers (ViTs) and self-supervised learning (SSL) techniques, pre-trained large ViTs have become the new foundation models for computer vision applications. However, studies have shown that, like…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Weijie Zheng , Xingjun Ma , Hanxun Huang , Zuxuan Wu , Yu-Gang Jiang

In this paper, we propose a known-plaintext attack (KPA) method based on deep learning for traditional chaotic encryption scheme. We employ the convolutional neural network to learn the operation mechanism of chaotic cryptosystem, and…

Cryptography and Security · Computer Science 2021-03-10 Fusen Wang , Jun Sang , Qi Liu , Chunlin Huang , Jinghan Tan

Adversarial attacks pose a significant threat to machine learning models by inducing incorrect predictions through imperceptible perturbations to input data. While these attacks are well studied in unstructured domains such as images, their…

Machine Learning · Computer Science 2025-12-09 Zhipeng He , Chun Ouyang , Lijie Wen , Cong Liu , Catarina Moreira

To perform adversarial attacks in the physical world, many studies have proposed adversarial camouflage, a method to hide a target object by applying camouflage patterns on 3D object surfaces. For obtaining optimal physical adversarial…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Naufal Suryanto , Yongsu Kim , Hyoeun Kang , Harashta Tatimma Larasati , Youngyeo Yun , Thi-Thu-Huong Le , Hunmin Yang , Se-Yoon Oh , Howon Kim

While the transferability property of adversarial examples allows the adversary to perform black-box attacks (i.e., the attacker has no knowledge about the target model), the transfer-based adversarial attacks have gained great attention.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Bin Chen , Jia-Li Yin , Shukai Chen , Bo-Hao Chen , Ximeng Liu

Natural language processing models are vulnerable to adversarial examples. Previous textual adversarial attacks adopt gradients or confidence scores to calculate word importance ranking and generate adversarial examples. However, this…

Computation and Language · Computer Science 2024-01-11 Hai Zhu , Zhaoqing Yang , Weiwei Shang , Yuren Wu

Text-to-Image (T2I) models have gained widespread adoption across various applications. Despite the success, the potential misuse of T2I models poses significant risks of generating Not-Safe-For-Work (NSFW) content. To investigate the…

Cryptography and Security · Computer Science 2025-08-07 Xinqi Lyu , Yihao Liu , Yanjie Li , Bin Xiao

This paper introduces a novel adversarial algorithm for attacking the state-of-the-art speech-to-text systems, namely DeepSpeech, Kaldi, and Lingvo. Our approach is based on developing an extension for the conventional distortion condition…

Sound · Computer Science 2021-03-16 Mohammad Esmaeilpour , Patrick Cardinal , Alessandro Lameiras Koerich

The landscape of adversarial attacks against text classifiers continues to grow, with new attacks developed every year and many of them available in standard toolkits, such as TextAttack and OpenAttack. In response, there is a growing body…

Computation and Language · Computer Science 2022-01-24 Zhouhang Xie , Jonathan Brophy , Adam Noack , Wencong You , Kalyani Asthana , Carter Perkins , Sabrina Reis , Sameer Singh , Daniel Lowd

Scaling up language models has significantly increased their capabilities. But larger models are slower models, and so there is now an extensive body of work (e.g., speculative sampling or parallel decoding) that improves the (average case)…

Cryptography and Security · Computer Science 2024-10-23 Nicholas Carlini , Milad Nasr

Large-scale quantum computing is a significant threat to classical public-key cryptography. In strong "quantum access" security models, numerous symmetric-key cryptosystems are also vulnerable. We consider classical encryption in a model…

Quantum Physics · Physics 2021-05-14 Gorjan Alagic , Stacey Jeffery , Maris Ozols , Alexander Poremba