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Website fingerprinting is an attack that uses size and timing characteristics of encrypted downloads to identify targeted websites. Since this can defeat the privacy goals of anonymity networks such as Tor, many algorithms to defend against…

密码学与安全 · 计算机科学 2022-08-08 Ethan Witwer , James Holland , Nicholas Hopper

Face anti-spoofing (FAS) techniques aim to enhance the security of facial identity authentication by distinguishing authentic live faces from deceptive attempts. While two-class FAS methods risk overfitting to training attacks to achieve…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Pei-Kai Huang , Jun-Xiong Chong , Ming-Tsung Hsu , Fang-Yu Hsu , Yi-Ting Lin , Kai-Heng Chien , Hao-Chiang Shao , Chiou-Ting Hsu

Radio Frequency Fingerprinting (RFF) techniques promise to authenticate wireless devices at the physical layer based on inherent hardware imperfections introduced during manufacturing. Such RF transmitter imperfections are reflected into…

密码学与安全 · 计算机科学 2025-07-09 Saeif Al-Hazbi , Ahmed Hussain , Savio Sciancalepore , Gabriele Oligeri , Panos Papadimitratos

Deepfakes refer to content synthesized using deep generators, which, when misused, have the potential to erode trust in digital media. Synthesizing high-quality deepfakes requires access to large and complex generators only a few entities…

机器学习 · 计算机科学 2023-11-09 Nils Lukas , Florian Kerschbaum

The challenge of WAD (web attack detection) is growing as hackers continuously refine their methods to evade traditional detection. Deep learning models excel in handling complex unknown attacks due to their strong generalization and…

机器学习 · 计算机科学 2024-06-19 Lijia Shi , Shihao Dong

Physical layer authentication relies on detecting unique imperfections in signals transmitted by radio devices to isolate their fingerprint. Recently, deep learning-based authenticators have increasingly been proposed to classify devices…

密码学与安全 · 计算机科学 2020-11-04 Samurdhi Karunaratne , Enes Krijestorac , Danijela Cabric

Primary user emulation (PUE) attacks are an emerging threat to cognitive radio (CR) networks in which malicious users imitate the primary users (PUs) signals to limit the access of secondary users (SUs). Ascertaining the identity of the…

密码学与安全 · 计算机科学 2015-08-27 Yaman Sharaf-Dabbagh , Walid Saad

Deep learning has been achieving top performance in many tasks. Since training of a deep learning model requires a great deal of cost, we need to treat neural network models as valuable intellectual properties. One concern in such a…

密码学与安全 · 计算机科学 2019-01-21 Ryota Namba , Jun Sakuma

The ubiquity of deep neural networks (DNNs), cloud-based training, and transfer learning is giving rise to a new cybersecurity frontier in which unsecure DNNs have `structural malware' (i.e., compromised weights and activation pathways). In…

机器学习 · 计算机科学 2021-02-05 N. Benjamin Erichson , Dane Taylor , Qixuan Wu , Michael W. Mahoney

Darknet technology such as Tor has been used by various threat actors for organising illegal activities and data exfiltration. As such, there is a case for organisations to block such traffic, or to try and identify when it is used and for…

密码学与安全 · 计算机科学 2018-08-06 Hamish Haughey , Gregory Epiphaniou , Haider Al-Khateeb , Ali Dehghantanha

Nowadays, commonly-used authentication systems for mobile device users, e.g. password checking, face recognition or fingerprint scanning, are susceptible to various kinds of attacks. In order to prevent some of the possible attacks, these…

计算机视觉与模式识别 · 计算机科学 2020-09-02 Cezara Benegui , Radu Tudor Ionescu

As a promising non-password authentication technology, radio frequency (RF) fingerprinting can greatly improve wireless security. Recent work has shown that RF fingerprinting based on deep learning can significantly outperform conventional…

信号处理 · 电气工程与系统科学 2023-05-01 Weidong Wang , Cheng Luo , Jiancheng An , Lu Gan , Hongshu Liao , Chau Yuen

Throughout recent years, the importance of internet-privacy has continuously risen. [...] Browser fingerprinting is a technique that does not require cookies or persistent identifiers. It derives a sufficiently unique identifier from the…

密码学与安全 · 计算机科学 2022-10-21 Sebastian Neef

The proliferation of data-demanding machine learning methods has brought to light the necessity for methodologies which can enlarge the size of training datasets, with simple, rule-based methods. In-line with this concept, the fingerprint…

计算机视觉与模式识别 · 计算机科学 2022-01-13 Grigorios G. Anagnostopoulos , Alexandros Kalousis

Website fingerprinting attacks enable an adversary to infer which website a victim is visiting, even if the victim uses an encrypting proxy, such as Tor. Previous work has shown that all proposed defenses against website fingerprinting…

密码学与安全 · 计算机科学 2014-01-24 Xiang Cai , Rishab Nithyanand , Rob Johnson

A "wireless fingerprint" which exploits hardware imperfections unique to each device is a potentially powerful tool for wireless security. Such a fingerprint should be able to distinguish between devices sending the same message, and should…

信号处理 · 电气工程与系统科学 2019-08-27 Soorya Gopalakrishnan , Metehan Cekic , Upamanyu Madhow

Browser fingerprinting is a growing technique for identifying and tracking users online without traditional methods like cookies. This paper gives an overview by examining the various fingerprinting techniques and analyzes the entropy and…

密码学与安全 · 计算机科学 2024-11-20 Alexander Lawall

The rapid evolvement of deepfake creation technologies is seriously threating media information trustworthiness. The consequences impacting targeted individuals and institutions can be dire. In this work, we study the evolutions of deep…

密码学与安全 · 计算机科学 2023-04-10 Vrizlynn L. L. Thing

Fingerprint alteration, also referred to as obfuscation presentation attack, is to intentionally tamper or damage the real friction ridge patterns to avoid identification by an AFIS. This paper proposes a method for detection and…

计算机视觉与模式识别 · 计算机科学 2018-09-20 Elham Tabassi , Tarang Chugh , Debayan Deb , Anil K. Jain

Recent developments in recommendation have harnessed the collaborative power of graph neural networks (GNNs) in learning users' preferences from user-item networks. Despite emerging regulations addressing fairness of automated systems,…

信息检索 · 计算机科学 2024-08-23 Ludovico Boratto , Francesco Fabbri , Gianni Fenu , Mirko Marras , Giacomo Medda