Robuta

https://www.sciencedaily.com/releases/2015/07/150729142028.htm
With 2.5 million daily users, the Tor network is the world's most popular system for protecting Internet users' anonymity. Researchers have now demonstrated a...
shoringtorresearchersmountsuccessful
https://www.nist.gov/publications/combinatorial-security-testing-tor-anonymity-network-client
In this paper, we present an application of combinatorial security testing to the well-known anonymity network Tor.
tor anonymity networksecurity testingcombinatorialclient