
com on the surface web) and used an algorithm to crawl along links from site to site, finding only 7178 sites, connected to each other through 25,104 links. They started with a few central hubs in the ".onion" domain (sort of like. Researchers have just conducted a comprehensive mapping of the dark web and found that it's not much of a web at all. And within this deep web is a tiny corner known as the "dark web," which requires special, anonymizing software such as the Tor Browser to access and contains everything from black markets selling drugs and counterfeit IDs to whistleblowing forums.


Beyond the "surface web"-the parts accessible to search engines-there is a "deep web" containing ( by one estimate) 500 times the content, secured in databases and hidden behind login screens.
