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Related papers: How Do Tor Users Interact With Onion Services?

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Onion routing networks, also known as darknets, are private networks that enable anonymous communication over the Internet. They are used by individuals and organizations to protect their privacy, but they also attract cybercriminals who…

Cryptography and Security · Computer Science 2024-06-13 Karwan Mustafa Kareem

Privacy of users in P2P networks goes far beyond their current usage and is a fundamental requirement to the adoption of P2P protocols for legal usage. In a climate of cold war between these users and anti-piracy groups, more and more users…

Networking and Internet Architecture · Computer Science 2010-04-12 Pere Manils , Chaabane Abdelberri , Stevens Le Blond , Mohamed Ali Kaafar , Claude Castelluccia , Arnaud Legout , Walid Dabbous

Tor onion services rely on long-lived introduction circuits to support anonymous rendezvous between clients and services. Although Tor incorporates defenses against traffic analysis, the introduction protocol retains deterministic routing…

Cryptography and Security · Computer Science 2026-04-27 Nicolas Constantinides

Onion routing is the most widely used approach to anonymous communication online. The idea is that Alice wraps her message to Bob in layers of encryption to form an "onion," and routes it through a series of intermediaries. Each…

Cryptography and Security · Computer Science 2021-07-30 Megumi Ando , Anna Lysyanskaya , Eli Upfal

The use of anonymity-based infrastructures and anonymisers is a plausible solution to mitigate privacy problems on the Internet. Tor (short for The onion router) is a popular low-latency anonymity system that can be installed as an end-user…

Cryptography and Security · Computer Science 2012-08-21 Sergio Castillo-Perez , Joaquin Garcia-Alfaro

Tor is widely used for staying anonymous online and accessing onion websites; unfortunately, Tor is popular for distributing and viewing illicit child sexual abuse material (CSAM). From 2018 to 2023, we analyse 176,683 onion domains and…

There are not many known ways to break Tor anonymity, and they require an enormous amount of computational power. Controlling both entrance and exit nodes allows an attacker to compromise client IP with enough pattern analysis. If an .onion…

Cryptography and Security · Computer Science 2017-12-13 Stephanie Abraham , Tyler Silva , Robert Decourcy , Jim Cardon

Ever since the introduction of the internet, it has been void of any privacy. The majority of internet traffic currently is and always has been unencrypted. A number of anonymous communication overlay networks exist whose aim it is to…

Computers and Society · Computer Science 2014-04-21 Rolf Jagerman , Wendo Sabée , Laurens Versluis , Martijn de Vos , Johan Pouwelse

There was a time when the word security was only confined to the physical protection of things that were valuable which must be guarded against all the odds. Today, in a world where people can do things virtually have emerged the necessity…

Cryptography and Security · Computer Science 2019-06-05 AKM Bahalul Haque , Sharaban Tahura Nisa , Md. Amdadul Bari , Ayvee Nusreen Anika

Over the last two decades, the scale and complexity of Anonymous networks and its associated technologies grows exponentially as privacy has become a major concern of individuals. Also, some cyber attackers make use of privacy…

Cryptography and Security · Computer Science 2018-12-18 Tian Yunfan , Zhang Xiang

The dark web has become notorious for its association with illicit activities and there is a growing need for systems to automate the monitoring of this space. This paper proposes an end-to-end scalable architecture for the early…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-01-25 Javier Pastor-Galindo , Hông-Ân Sandlin , Félix Gómez Mármol , Gérôme Bovet , Gregorio Martínez Pérez

We introduce and investigate *targeting adversaries* who selectively attack users of Tor or other secure-communication networks. We argue that attacks by such adversaries are more realistic and more significant threats to those most relying…

Cryptography and Security · Computer Science 2017-07-03 Aaron D. Jaggard , Paul Syverson

Obtaining and maintaining anonymity on the Internet is challenging. The state of the art in deployed tools, such as Tor, uses onion routing (OR) to relay encrypted connections on a detour passing through randomly chosen relays scattered…

Cryptography and Security · Computer Science 2015-01-06 Joan Feigenbaum , Bryan Ford

The unevenness importance of criminal activities in the onion domains of the Tor Darknet and the different levels of their appeal to the end-user make them tangled to measure their influence. To this end, this paper presents a novel…

Machine Learning · Computer Science 2019-10-08 Mhd Wesam Al-Nabki , Eduardo Fidalgo , Enrique Alegre , Deisy Chaves

Tor and hidden services have emerged as a practical solution to protect user privacy against tracking and censorship. At the same time, little is known about the lifetime and nature of hidden services. Data collection and study of Tor…

Cryptography and Security · Computer Science 2019-09-10 Amirali Sanatinia , Jeman Park , Erik-Oliver Blass , Aziz Mohaisen , Guevara Noubir

For journalists reporting from a totalitarian regime, whistleblowers and resistance fighters, the anonymous use of cloud services on the Internet can be vital for survival. The Tor network provides a free and widely used anonymization…

Cryptography and Security · Computer Science 2024-05-16 Pitpimon Choorod , Tobias J. Bauer , Andreas Aßmuth

Anonymity networks are providing practical mechanisms to protect its users against censorship by hiding their identity and information content. The best-known anonymity network, The Onion Routing (Tor) network, is however subject to…

Cryptography and Security · Computer Science 2019-07-09 Anna Engelmann , Admela Jukan

Tor is currently one of the more popular systems for anonymizing near real-time communications on the Internet. Recently, Borisov et al. proposed a denial of service based attack on Tor (and related systems) that significantly increases the…

Cryptography and Security · Computer Science 2013-10-04 Norman Danner , Sam DeFabbia-Kane , Danny Krizanc , Marc Liberatore

Tor is a popular low-latency anonymity network. However, Tor does not protect against the exploitation of an insecure application to reveal the IP address of, or trace, a TCP stream. In addition, because of the linkability of Tor streams…

Networking and Internet Architecture · Computer Science 2011-03-09 Stevens Le Blond , Pere Manils , Chaabane Abdelberi , Mohamed Ali Dali Kaafar , Claude Castelluccia , Arnaud Legout , Walid Dabbous

One of the most important issues in peer-to-peer networks is anonymity. The major anonymity for peer-to-peer users concerned with the users' identities and actions which can be revealed by any other members. There are many approaches…

Networking and Internet Architecture · Computer Science 2012-09-06 Ehsan Saboori , Shahriar Mohammadi