The Dark Web is the World Wide Web content that exists on Darknets which use the public internet but require specific software, configuration or authorization to access.
The Dark Web is a small part of Deep Web (the parts of the web not searched by search engines) but is often been confused as Deep Web itself.
The Dark Web mainly constitute friend to friend networks as well as popular networks like Tor (The Onion Router), Freenet and I2P (Invisible Internet Project).
The identities and locations of the Dark Web users remain anonymous and cannot be tracked due to layered encryption system.
The Dark Web is also used for illegal activity such as illegal trade, forums, child pornography, revenge porn, torture porn, gun trade and terrorism etc.
In 2014, a study in University of Portsmouth found that the most requested type of content on Tor was child pornography.
Many gamblers use bitcoin in the Dark Web as online game currency.
A study in January 2015 shows that illegal drug markets constitute 15.4% of the Dark Web services, which is the highest.
The use of Dark Web for hacking has significantly reduced from 4.25% to 1.8% over the course of last two years.
Hacker groups such as xDedic, Hackforum, dark0de offer their services through Dark Web.
Many white hat hackers use the Dark Web to track down child pornography sites and pedophiles only to expose or blackmail them.
There are reports of crowd funded assassination and hitmen to hire in the Dark Web.
Many hoaxes regarding the Dark Web include secret devil worshiping groups, live murder, cursed horror games etc. which attracted many people to the Dark Web in recent years.
Dark Web has been a major inspiration in popular culture such as in tv shows like Mr. Robot, House of Cards etc.
The TV series Elementary features numerous occasion when Sherlock accesses information via the Dark Web.
Numerous attempt to shut down the Dark Web were dead in the water due to it’s anonymity and legal complications.