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Adversarial attacks refer to a set of methods that perturb the input to a classification model in order to fool the classifier. In this paper we apply different gradient based adversarial attack algorithms on five deep learning models…

Machine Learning · Computer Science 2019-08-16 Vinod Subramanian , Emmanouil Benetos , Ning Xu , SKoT McDonald , Mark Sandler

Machine learning algorithms are increasingly being applied in security-related tasks such as spam and malware detection, although their security properties against deliberate attacks have not yet been widely understood. Intelligent and…

Machine Learning · Computer Science 2022-06-02 Huang Xiao , Battista Biggio , Blaine Nelson , Han Xiao , Claudia Eckert , Fabio Roli

With the development of deep learning, many different network architectures have been explored in speaker verification. However, most network architectures rely on a single deep learning architecture, and hybrid networks combining different…

Sound · Computer Science 2024-07-04 Hui Yan , Zhenchun Lei , Changhong Liu , Yong Zhou

Most machine learning models are vulnerable to adversarial examples, which poses security concerns on these models. Adversarial examples are crafted by applying subtle but intentionally worst-case modifications to examples from the dataset,…

Machine Learning · Computer Science 2025-10-23 Xingyang Nie , Guojie Xiao , Su Pan , Biao Wang , Huilin Ge , Tao Fang

Adversarial examples are of wide concern due to their impact on the reliability of contemporary machine learning systems. Effective adversarial examples are mostly found via white-box attacks. However, in some cases they can be transferred…

Machine Learning · Computer Science 2019-07-16 Deyan Petrov , Timothy M. Hospedales

Smart healthcare systems are gaining popularity with the rapid development of intelligent sensors, the Internet of Things (IoT) applications and services, and wireless communications. However, at the same time, several vulnerabilities and…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-12-17 Arawinkumaar Selvakkumar , Shantanu Pal , Zahra Jadidi

This article describes the process of creating a script and conducting an analytical study of a dataset using the DeepMIMO emulator. An advertorial attack was carried out using the FGSM method to maximize the gradient. A comparison is made…

Cryptography and Security · Computer Science 2025-05-02 Leonid Legashev , Artur Zhigalov , Denis Parfenov

Text-dependent speaker verification is becoming popular in the speaker recognition society. However, the conventional i-vector framework which has been successful for speaker identification and other similar tasks works relatively poorly in…

Sound · Computer Science 2017-09-12 Yi Liu , Liang He , Yao Tian , Zhuzi Chen , Jia Liu , Michael T. Johnson

It is known that deep neural networks are vulnerable to adversarial attacks. Although Automatic Speaker Verification (ASV) built on top of deep neural networks exhibits robust performance in controlled scenarios, many studies confirm that…

Sound · Computer Science 2024-01-17 Li Wang , Jiaqi Li , Yuhao Luo , Jiahao Zheng , Lei Wang , Hao Li , Ke Xu , Chengfang Fang , Jie Shi , Zhizheng Wu

Robust speaker recognition, including in the presence of malicious attacks, is becoming increasingly important and essential, especially due to the proliferation of several smart speakers and personal agents that interact with an…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-19 Arindam Jati , Chin-Cheng Hsu , Monisankha Pal , Raghuveer Peri , Wael AbdAlmageed , Shrikanth Narayanan

Machine learning approaches for speech enhancement are becoming increasingly expressive, enabling ever more powerful modifications of input signals. In this paper, we demonstrate that this expressiveness introduces a vulnerability: advanced…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-01 Rostislav Makarov , Lea Schönherr , Timo Gerkmann

For text-independent short-utterance speaker recognition (SUSR), the performance often degrades dramatically. This paper presents a combination approach to the SUSR tasks with two phonetic-aware systems: one is the DNN-based i-vector system…

Computation and Language · Computer Science 2016-09-28 Lantian Li , Dong Wang , Xiaodong Zhang , Thomas Fang Zheng , Panshi Jin

Recent work has shown it is possible to construct adversarial examples that cause an aligned language model to emit harmful strings or perform harmful behavior. Existing attacks work either in the white-box setting (with full access to the…

Computation and Language · Computer Science 2024-12-10 Jonathan Hayase , Ema Borevkovic , Nicholas Carlini , Florian Tramèr , Milad Nasr

Adversarial attacks, particularly the Fast Gradient Sign Method (FGSM) and Projected Gradient Descent (PGD) pose significant threats to the robustness of deep learning models in image classification. This paper explores and refines defense…

Cryptography and Security · Computer Science 2025-05-15 Hetvi Waghela , Jaydip Sen , Sneha Rakshit

Adversarial attacks have been fairly explored for computer vision and vision-language models. However, the avenue of adversarial attack for the vision language segmentation models (VLSMs) is still under-explored, especially for medical…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Anjila Budathoki , Manish Dhakal

RL-based medical questionnaire systems have shown great potential in medical scenarios. However, their safety and robustness remain unresolved. This study performs a comprehensive evaluation on adversarial attack methods to identify and…

Cryptography and Security · Computer Science 2025-08-11 Peizhuo Liu

Given the increasing threat of adversarial attacks on deep neural networks (DNNs), research on efficient detection methods is more important than ever. In this work, we take a closer look at adversarial attack detection based on the class…

Machine Learning · Computer Science 2021-07-12 Tobias Uelwer , Felix Michels , Oliver De Candido

An ever-growing body of work has demonstrated the rich information content available in eye movements for user modelling, e.g. for predicting users' activities, cognitive processes, or even personality traits. We show that state-of-the-art…

Cryptography and Security · Computer Science 2020-06-02 Inken Hagestedt , Michael Backes , Andreas Bulling

Recent studies have highlighted audio adversarial examples as a ubiquitous threat to state-of-the-art automatic speech recognition systems. Thorough studies on how to effectively generate adversarial examples are essential to prevent…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-13 Xiaolei Liu , Xiaosong Zhang , Kun Wan , Qingxin Zhu , Yufei Ding

Transferable adversarial attacks pose significant threats to deep neural networks, particularly in black-box scenarios where internal model information is inaccessible. Studying adversarial attack methods helps advance the performance of…

Artificial Intelligence · Computer Science 2024-09-23 Zhibo Jin , Jiayu Zhang , Zhiyu Zhu , Chenyu Zhang , Jiahao Huang , Jianlong Zhou , Fang Chen