4 papers
An Extended View on Measuring Tor AS-level Adversaries
Gabriel Karl Gegenhuber, Markus Maier, Florian Holzbauer +4
Tor provides anonymity to millions of users around the globe which has made it a valuable target for malicious actors. As a low-latency anonymity system, it is vulnerable to traffi…
MobileAtlas: Geographically Decoupled Measurements in Cellular Networks for Security and Privacy Research
Gabriel Karl Gegenhuber, Wilfried Mayer, Edgar Weippl +1
Cellular networks are not merely data access networks to the Internet. Their distinct services and ability to form large complex compounds for roaming purposes make them an attract…
Zero-Rating, One Big Mess: Analyzing Differential Pricing Practices of European MNOs
Gabriel Karl Gegenhuber, Wilfried Mayer, Edgar Weippl
Zero-rating, the practice of not billing data traffic that belongs to certain applications, has become popular within the mobile ecosystem around the globe. There is an ongoing deb…
No Need for Black Chambers: Testing TLS in the E-mail Ecosystem at Large
Wilfried Mayer, Aaron Zauner, Martin Schmiedecker +1
TLS is the most widely used cryptographic protocol on the Internet. While many recent studies focused on its use in HTTPS, none so far analyzed TLS usage in e-mail related protocol…