You can download the source code from its official website. Tor Browser is an open source project with a design based on Mozilla Firefox. The Tor project team is aware of this practice because the Tor project blog clearly states that “Tor is misused by criminals.” It’s one of the reasons why ransomware criminals require victims to access the payment page on a. That way, only Tor Browser can access it and nobody knows what its real IP address is. Users can also set up their own website in the Tor network with a domain name ending with “.onion”. When users explore websites using Tor Browser, their real IP address is hidden by the Tor network so that the destination website never knows what the true source IP address is. Tor Browser is a tool that provides anonymous Internet connectivity combined with layers of encryption through the Tor network. In part one of this two-part series, we’ll use reverse engineering to explain how to find built-in Tor bridges and how Tor browser works with Bridge enabled. ” We are now sharing more details of this research, with our analysis being posted in two blogs. At the SecureWV 2019 Cybersecurity Conference, held in Charleston, West Virginia, Peixue and I presented our talk “ Dissecting Tor Bridges and Pluggable Transport.