“What
is the Deep and Dark Web,” Kaspersky,
“Resource Center.” Available at: https://www.kaspersky.com/resource-center/threats/deep-web
They have existed before, for instance in 1600s London at "Paul's Walk," the street before St. Paul's Cathedral, where the "Paul's Walkers" recited dangerous political satires and exchanged useful political and economic secrets. Popup bookstores at Paul's took the form of people walking the street with stacks of printed broadsheets and pamphlets, sometimes attached to the insides and outsides of their clothes. These documents would have been dangerous for licensed booksellers to carry because they revealed government or business secrets, or satirized the powerful.)
After the 2015 Paris terrorist attacks, ISIS websites on the visible "surface" Web were taken down by police and hackers associated with the group "Anonymous." In response, ISIS immediately migrated to the Darknet, informing its adherants how to follow and support them using Telegram and TrueCrypt. For a summary of the history and issues, see
Weimann, Gabriel. “Terrorist Migration to the Dark Web.” Perspectives on Terrorism, vol. 10, no. 3, 2016, pp. 40–44. JSTOR, www.jstor.org/stable/26297596 If this hyperlink does not work, please just copy the link into a new browser tab.In addition to the Darknet's function as a marketplace for socially taboo/illegal products (drugs, weapons, slaves, child pornography), it also enables illegal hackers to exchange tools, sell the products of hacks (e.g., data), and boast about their "exploits." The following articles are now rather dated but will serve as an introduction to the vocabulary and recent history of hacking:
Zuley Clarke, Hames Clawson, Maria Cordell. "A Brief History of Hacking . . . " LCC6316: Historical Approaches to Digital Media. 2003. Available online: http://steel.lcc.gatech.edu/~mcordell/lcc6316/Hacker%20Group%20Project%20FINAL.pdf
David M. Hafele, "Three Shades of Ethical Hacking: Black, White and Gray." GSEC Practical Assignment, Version 1.4b, Option 1. SANS Institute. February 23, 2004.