36 citations · 51 across the 8 of their papers we have counts for
8 papers · 1 filter
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…