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Related papers: Redefining Website Fingerprinting Attacks With Mul…

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Web client fingerprinting has become a widely used technique for uniquely identifying users, browsers, operating systems, and devices with high accuracy. While it is beneficial for applications such as fraud detection and personalized…

Cryptography and Security · Computer Science 2025-06-03 Mordechai Guri , Dor Fibert

Federated Learning (FL) is increasingly adopted as a decentralized machine learning paradigm due to its capability to preserve data privacy by training models without centralizing user data. However, FL is susceptible to indirect privacy…

Machine Learning · Computer Science 2025-06-05 Md Nahid Hasan Shuvo , Moinul Hossain

Browser fingerprinting is a stateless tracking technique that attempts to combine information exposed by multiple different web APIs to create a unique identifier for tracking users across the web. Over the last decade, trackers have abused…

Cryptography and Security · Computer Science 2021-12-15 Pouneh Nikkhah Bahrami , Umar Iqbal , Zubair Shafiq

Website fingerprinting enables an attacker to infer which web page a client is browsing through encrypted or anonymized network connections. We present a new website fingerprinting technique based on random decision forests and evaluate…

Cryptography and Security · Computer Science 2016-02-22 Jamie Hayes , George Danezis

Website fingerprinting (WF) attacks, which covertly monitor user communications to identify the web pages they visit, pose a serious threat to user privacy. Existing WF defenses attempt to reduce attack accuracy by disrupting traffic…

Cryptography and Security · Computer Science 2026-02-23 Siyuan Liang , Jiajun Gong , Tianmeng Fang , Aishan Liu , Tao Wang , Xiaochun Cao , Dacheng Tao , Ee-Chien Chang

Website fingerprinting (WF) attacks, usually conducted with the help of a machine learning-based classifier, enable a network eavesdropper to pinpoint which web page a user is accessing through the inspection of traffic patterns. These…

Cryptography and Security · Computer Science 2022-11-29 Alexander Veicht , Cedric Renggli , Diogo Barradas

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…

Cryptography and Security · Computer Science 2024-09-09 Xiyuan Zhao , Xinhao Deng , Qi Li , Yunpeng Liu , Zhuotao Liu , Kun Sun , Ke Xu

We investigate fingerprints in pretraining datasets for large language models (LLMs) through dataset classification experiments. Building on prior work demonstrating the existence of fingerprints or biases in popular computer vision…

Machine Learning · Computer Science 2025-12-02 Youssef Mansour , Reinhard Heckel

Web agents have emerged as a promising direction to automate Web task completion based on user instructions, significantly enhancing user experience. Recently, Web agents have evolved from traditional agents to Large Language Models…

Computation and Language · Computer Science 2025-03-25 Hongru Cai , Yongqi Li , Wenjie Wang , Fengbin Zhu , Xiaoyu Shen , Wenjie Li , Tat-Seng Chua

Web scraping is a powerful technique that extracts data from websites, enabling automated data collection, enhancing data analysis capabilities, and minimizing manual data entry efforts. Existing methods, wrappers-based methods suffer from…

Computation and Language · Computer Science 2024-09-27 Wenhao Huang , Zhouhong Gu , Chenghao Peng , Zhixu Li , Jiaqing Liang , Yanghua Xiao , Liqian Wen , Zulong Chen

Several studies have shown that the network traffic that is generated by a visit to a website over Tor reveals information specific to the website through the timing and sizes of network packets. By capturing traffic traces between users…

Cryptography and Security · Computer Science 2017-12-06 Vera Rimmer , Davy Preuveneers , Marc Juarez , Tom Van Goethem , Wouter Joosen

With the fast development of large language models (LLMs), LLM-driven Web Agents (Web Agents for short) have obtained tons of attention due to their superior capability where LLMs serve as the core part of making decisions like the human…

Cryptography and Security · Computer Science 2024-02-28 Fangzhou Wu , Shutong Wu , Yulong Cao , Chaowei Xiao

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…

Cryptography and Security · Computer Science 2024-07-02 Xinhao Deng , Qi Li , Ke Xu

Browser fingerprinting often provides an attractive alternative to third-party cookies for tracking users across the web. In fact, the increasing restrictions on third-party cookies placed by common web browsers and recent regulations like…

Cryptography and Security · Computer Science 2023-11-29 Meenatchi Sundaram Muthu Selva Annamalai , Igor Bilogrevic , Emiliano De Cristofaro

AI browsing agents are an emerging class of AI-powered bots capable of autonomously navigating websites. Unlike traditional web bots, AI browsing agents typically operate using real browsers and perform everyday tasks, making them difficult…

Cryptography and Security · Computer Science 2026-05-05 Ethan Wang , Zubair Shafiq , Yash Vekaria

The number and dynamic nature of web and mobile applications presents significant challenges for assessing their compliance with data protection laws. In this context, symbolic and statistical Natural Language Processing (NLP) techniques…

Computation and Language · Computer Science 2025-12-22 David Rodriguez , Ian Yang , Jose M. Del Alamo , Norman Sadeh

The development of large language models (LLMs) is costly and has significant commercial value. Consequently, preventing unauthorized appropriation of open-source LLMs and protecting developers' intellectual property rights have become…

Computation and Language · Computer Science 2026-02-02 Yiheng Liu , Junhao Ning , Sichen Xia , Haiyang Sun , Yang Yang , Hanyang Chi , Xiaohui Gao , Ning Qiang , Bao Ge , Junwei Han , Xintao Hu

Web applications increasingly face evasive and polymorphic attack payloads, yet traditional web application firewalls (WAFs) based on static rule sets such as the OWASP Core Rule Set (CRS) often miss obfuscated or zero-day patterns without…

Cryptography and Security · Computer Science 2026-01-15 Heba Osama , Omar Elebiary , Youssef Qassim , Mohamed Amgad , Ahmed Maghawry , Ahmed Saafan , Haitham Ghalwash

Recent advances confirm that large language models (LLMs) can achieve state-of-the-art performance across various tasks. However, due to the resource-intensive nature of training LLMs from scratch, it is urgent and crucial to protect the…

Cryptography and Security · Computer Science 2026-03-04 Zhiguang Yang , Hanzhou Wu

Large Language Models (LLMs) are rapidly transforming the landscape of digital content creation. However, the prevalent black-box Application Programming Interface (API) access to many LLMs introduces significant challenges in…

Cryptography and Security · Computer Science 2026-01-21 Zhiyuan Fu , Junfan Chen , Lan Zhang , Ting Yang , Jun Niu , Hongyu Sun , Ruidong Li , Peng Liu , Jice Wang , Fannv He , Qiuling Yue , Yuqing Zhang