Users Get Routed: Traffic Correlation on Tor by Realistic Adversaries Aaron Johnson1 Chris Wacek2 1 U.S. Naval Research Laboratory, Washington DC {aaron.m.johnson, rob.g.jansen, paul.syverson}@nrl.navy.mil Rob Jansen1 Micah Sherr2 Paul Syverson1 2 Georgetown University, Washington DC {cwacek, msherr}@cs.georgetown.edu ABSTRACT We present the first analysis of the popular Tor anonymity network that