3. SURFACE WEB
▪ Surface Web is the portion of the World Wide Web that is readily
available to the general public and searchable with search engines
(Google, Bing, Yahoo etc.).
▪ Search engines have indexed at around 4.57 billion pages. i.e. around
▪ The Surface Web is also called the Visible Web, Clear Web, Indexed
Web or Lightnet.
▪ E.g. Wikipedia, Amazon, Youtube……..
4. DEEP WEB
▪ Deep Web is the World Wide Web content that is not part of the
▪ If you want to visit the deep web, you might already be there. It’s any
place you go for content without a permanent URL — behind a
paywall, password protected or dynamically generated.
▪ It is around 7500 Terabyte.
▪ It contain mostly personal information.
▪ E.g. Whatsapp, Netflix, Piratebay, Banking ……..
5. DARK WEB
▪ Dark Web is part of the Deep web, that is hidden from normal search
▪ It contain encrypted data, but can be accessed using special software.
▪ The purpose of the dark web was to provide an anonymous forum for
free expression for people in countries that suffer from
oppression, censorship and intimidation.
▪ E.g. TOR(The Onion Router), I2P, Freenet.
▪ TOR is a browser that gives access to dark web.
▪ It is developed by US-Military to communicate with
intelligence assets and Americans stationed abroad
without being detected.
▪ It opens domain names having .onion .
▪ Tor works by bouncing connections from your
computer to destinations (such as google.com)
through a series of intermediate computers, or relays.
▪ Tor hosts approximately 30,000 sites.
8. DISADVANTAGES OF USING
▪ Deep Web search engines
tend to be slower than
standard search engines.
▪ Exploring the Deep Web can
▪ There are no security
measures on the dark web.