36 citations · 51 across the 8 of their papers we have counts for
9 papers
On the Anonymity of Peer-To-Peer Network Anonymity Schemes Used by Cryptocurrencies
Piyush Kumar Sharma, Devashish Gosain, Claudia Diaz
Cryptocurrency systems can be subject to deanonimization attacks by exploiting the network-level communication on their peer-to-peer network. Adversaries who control a set of collu…
VerLoc: Verifiable Localization in Decentralized Systems
Katharina Kohls, Claudia Diaz
We tackle the challenge of reliably determining the geo-location of nodes in decentralized networks, considering adversarial settings and without depending on any trusted landmarks…
Less is More: A privacy-respecting Android malware classifier using Federated Learning
Rafa Gálvez, Veelasha Moonsamy, Claudia Diaz
In this paper we present LiM ("Less is More"), a malware classification framework that leverages Federated Learning to detect and classify malicious apps in a privacy-respecting ma…
Encrypted DNS --> Privacy? A Traffic Analysis Perspective
Sandra Siby, Marc Juarez, Claudia Diaz +2
Virtually every connection to an Internet service is preceded by a DNS lookup which is performed without any traffic-level protection, thus enabling manipulation, redirection, surv…
How Unique is Your .onion? An Analysis of the Fingerprintability of Tor Onion Services
Rebekah Overdorf, Marc Juarez, Gunes Acar +2
Recent studies have shown that Tor onion (hidden) service websites are particularly vulnerable to website fingerprinting attacks due to their limited number and sensitive nature. I…
Multiparty Routing: Secure Routing for Mixnets
Fatemeh Shirazi, Elena Andreeva, Markulf Kohlweiss +1
Anonymous communication networks are important building blocks for online privacy protection. One approach to achieve anonymity is to relay messages through multiple routers, where…
A Survey on Routing in Anonymous Communication Protocols
Fatemeh Shirazi, Milivoj Simeonovski, Muhammad Rizwan Asghar +2
The Internet has undergone dramatic changes in the past 15 years, and now forms a global communication platform that billions of users rely on for their daily activities. While thi…
Toward an Efficient Website Fingerprinting Defense
Marc Juarez, Mohsen Imani, Mike Perry +2
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…
On the Measurement of Privacy as an Attacker's Estimation Error
David Rebollo-Monedero, Javier Parra-Arnau, Claudia Diaz +1
A wide variety of privacy metrics have been proposed in the literature to evaluate the level of protection offered by privacy enhancing-technologies. Most of these metrics are spec…