Alumni

Aiman Erbad, Qatar University

With the rapid increase of threats on the Internet, people are continuously seeking privacy and anonymity. Services such as Bitcoin and Tor were introduced to provide anonymity for online transactions and Web browsing. Due to its pseudonymity model, Bitcoin lacks retroactive operational security, which means historical pieces of information could be used to identify a certain user.

Vern Paxson, University of California, Berkeley / Corelight, Inc. / International Computer Science Institute

Many of the most costly security compromises that enterprises suffer manifest as tiny trickles of behavior hidden within oceans of other site activity. This talk will examine the problem of developing robust detectors for particular forms of such activity. The process is in some ways a dual to that of adversaries who seek to design algorithms to identify users who employ particular approaches for keeping their network activity private.

When A Small Leak Sinks A Great Ship: Deanonymizing Tor Hidden Service Users Through Bitcoin Transactions Analysis

Aiman Erbad, Qatar University

CrySP Speaker Series on Privacy - Finding Very Damaging Needles in Very Large Haystacks

Vern Paxson, University of California, Berkeley / Corelight, Inc. / International Computer Science Institute