Tor

Topics to discuss

• Onion routing.

• Tor hidden services.

• Tor and VPNs.

• Tor bridges.

• Tor’s vulnerabilities: correlation, torrenting, JavaScript.

Random

About 56% of active onion services are illegal. However, that is a biased view: onion services are those not present in the clearnet. A Tor user can use the clearnet. Therefore, this number does not mean that 56% of Tor usage is illegal.

Various U.S. government agencies fund Tor. The Tor foundation welcomes research on vulnerabilities and attacks to the Tor network.