New and Improved Onion Services Will Premiere at Def Con 25 | The Tor Blog https://quitter.no/url/1344154 Millions of people around the world use Tor every day to protect themselves from surveillance and censorship. While the majority of people use Tor to reach ordinary websites more safely, Tor can also be used to access websites and services that live inside the Tor network. We call those onion services (formerly: hidden services).