58 citations · 133 across the 12 of their papers we have counts for
3 papers · 1 filter
Ephemeral Astroturfing Attacks: The Case of Fake Twitter Trends
Tuğrulcan Elmas, Rebekah Overdorf, Ahmed Furkan Özkalay +1
We uncover a previously unknown, ongoing astroturfing attack on the popularity mechanisms of social media platforms: ephemeral astroturfing attacks. In this attack, a chosen keywor…
Under the Underground: Predicting Private Interactions in Underground Forums
Rebekah Overdorf, Carmela Troncoso, Rachel Greenstadt +1
Underground forums where users discuss, buy, and sell illicit services and goods facilitate a better understanding of the economy and organization of cybercriminals. Prior work has…
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…