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Website Fingerprinting (WF) attacks raise major concerns about users' privacy. They employ Machine Learning (ML) to allow a local passive adversary to uncover the Web browsing behavior of a user, even if she browses through an encrypted…

密码学与安全 · 计算机科学 2017-12-08 Giovanni Cherubin

A passive local eavesdropper can leverage Website Fingerprinting (WF) to deanonymize the web browsing activity of Tor users. The value of timing information to WF has often been discounted in recent works due to the volatility of low-level…

密码学与安全 · 计算机科学 2020-10-12 Mohammad Saidur Rahman , Payap Sirinam , Nate Mathews , Kantha Girish Gangadhara , Matthew Wright

Website Fingerprinting (WF) is an effective tool for regulating and governing the dark web. However, its performance can be significantly degraded by backdoor poisoning attacks in practical deployments. This paper aims to address the…

密码学与安全 · 计算机科学 2025-06-17 Yali Yuan , Kai Xu , Ruolin Ma , Yuchen Zhang

Website fingerprinting attack (WFA) aims to deanonymize the website a user is visiting through anonymous networks channels (e.g., Tor). Despite of remarkable progress in the past years, most existing methods make implicitly a couple of…

密码学与安全 · 计算机科学 2024-10-28 Mantun Chen , Yongxin Chen , Yongjun Wang , Peidai Xie , Shaojing Fu , Xiatian Zhu

Online anonymity and privacy has been based on confusing the adversary by creating indistinguishable network elements. Tor is the largest and most widely deployed anonymity system, designed against realistic modern adversaries. Recently,…

密码学与安全 · 计算机科学 2022-01-13 George Kadianakis , Theodoros Polyzos , Mike Perry , Kostas Chatzikokolakis

Tor, an onion-routing anonymity network, has been shown to be vulnerable to Website Fingerprinting (WF), which de-anonymizes web browsing by analyzing the unique characteristics of the encrypted network traffic. Although many defenses have…

密码学与安全 · 计算机科学 2021-11-25 Jiajun Gong , Wuqi Zhang , Charles Zhang , Tao Wang

Website Fingerprinting (WF) attacks exploit patterns in encrypted traffic to infer the websites visited by users, posing a serious threat to anonymous communication systems. Although recent WF techniques achieve over 90% accuracy in…

密码学与安全 · 计算机科学 2025-10-17 Xinhao Deng , Jingyou Chen , Linxiao Yu , Yixiang Zhang , Zhongyi Gu , Changhao Qiu , Xiyuan Zhao , Ke Xu , Qi Li

Website Fingerprinting (WF) is considered a major threat to the anonymity of Tor users (and other anonymity systems). While state-of-the-art WF techniques have claimed high attack accuracies, e.g., by leveraging Deep Neural Networks (DNN),…

密码学与安全 · 计算机科学 2023-09-20 Alireza Bahramali , Ardavan Bozorgi , Amir Houmansadr

Website Fingerprinting (WF) attacks aim to infer which websites a user is visiting by analyzing traffic patterns, thereby compromising user anonymity. Although this technique has been demonstrated to be effective in controlled experimental…

密码学与安全 · 计算机科学 2025-06-26 Yali Yuan , Weiyi Zou , Guang Cheng

Website Fingerprinting (WF) attacks can effectively identify the websites visited by Tor clients via analyzing encrypted traffic patterns. Existing attacks focus on identifying different websites, but their accuracy dramatically decreases…

密码学与安全 · 计算机科学 2024-09-09 Xiyuan Zhao , Xinhao Deng , Qi Li , Yunpeng Liu , Zhuotao Liu , Kun Sun , Ke Xu

Website fingerprinting enables an eavesdropper to determine which websites a user is visiting over an encrypted connection. State-of-the-art website fingerprinting (WF) attacks have demonstrated effectiveness even against Tor-protected…

密码学与安全 · 计算机科学 2025-01-23 Xinhao Deng , Xiyuan Zhao , Qilei Yin , Zhuotao Liu , Qi Li , Mingwei Xu , Ke Xu , Jianping Wu

Website Fingerprinting attacks enable a passive eavesdropper to recover the user's otherwise anonymized web browsing activity by matching the observed traffic with prerecorded web traffic templates. The defenses that have been proposed to…

密码学与安全 · 计算机科学 2016-07-20 Marc Juarez , Mohsen Imani , Mike Perry , Claudia Diaz , Matthew Wright

Website fingerprinting (WF) is a well-know threat to users' web privacy. New internet standards, such as QUIC, include padding to support defenses against WF. Previous work only analyzes the effectiveness of defenses when users are behind a…

密码学与安全 · 计算机科学 2022-12-16 Sandra Siby , Ludovic Barman , Christopher Wood , Marwan Fayed , Nick Sullivan , Carmela Troncoso

Website fingerprinting attacks, which use statistical analysis on network traffic to compromise user privacy, have been shown to be effective even if the traffic is sent over anonymity-preserving networks such as Tor. The classical attack…

密码学与安全 · 计算机科学 2019-02-22 Anatoly Shusterman , Lachlan Kang , Yarden Haskal , Yosef Meltser , Prateek Mittal , Yossi Oren , Yuval Yarom

Website fingerprinting (WF) is a technique that allows an eavesdropper to determine the website a target user is accessing by inspecting the metadata associated with the packets she exchanges via some encrypted tunnel, e.g., Tor. Recent WF…

密码学与安全 · 计算机科学 2025-05-26 Michael Wrana , Uzma Maroof , Diogo Barradas

In webpage fingerprinting, an on-path adversary infers the specific webpage loaded by a victim user by analysing the patterns in the encrypted TLS traffic exchanged between the user's browser and the website's servers. This work studies…

密码学与安全 · 计算机科学 2023-10-30 Vasilios Mavroudis , Jamie Hayes

Website Fingerprinting (WF) attacks identify the websites visited by users by performing traffic analysis, compromising user privacy. Particularly, DL-based WF attacks demonstrate impressive attack performance. However, the effectiveness of…

密码学与安全 · 计算机科学 2024-07-02 Xinhao Deng , Qi Li , Ke Xu

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

Traffic analysis attacks to identify which web page a client is browsing, using only her packet metadata --- known as website fingerprinting --- has been proven effective in closed-world experiments against privacy technologies like Tor.…

密码学与安全 · 计算机科学 2018-02-16 Tao Wang

Browser fingerprinting is an invasive and opaque stateless tracking technique. Browser vendors, academics, and standards bodies have long struggled to provide meaningful protections against browser fingerprinting that are both accurate and…

密码学与安全 · 计算机科学 2020-08-12 Umar Iqbal , Steven Englehardt , Zubair Shafiq