The document discusses the structure and functionality of the web, specifically distinguishing between the surface web, deep web, and dark web. It describes how the deep web operates, its users, and the challenges law enforcement faces in tracking illegal activities, particularly through the Tor network. Additionally, it highlights the existence of illicit markets like Silk Road and the types of illicit content available on the deep web.

2. Contents
Introduction
 Web
 Surface Web
 Hidden Web
o Deep Web
o Dark Web
How it works
What is available here
Why couldn’t Police arrest them

3. Introduction
 Web:
What is the searching ability of Google
Google can show only 10% of whole data
The data size of deep web is more than 500
times than the data size
of Surface web

4. Introduction
 Surface Web:
 Search engine uses crawler
 Uses html tag to find out
 Admin sends request
 Robot execution protocol
 Dynamic sites force to fulfil
some conditions
 Disconnected sites
 Flash format is out of
searching

5. Hidden Web:
Deep Web:
Starts in 1994 as Hidden Web and from 2001 it started to
introduce as Deep web
Used by Defence, Revolutionary , Hackers, Governments
To use the net anonymously and to make a deal with
criminals
To avoid the hard online sensor ship of various country

6. Dark Web:
Created by using the
concept of Deep Web
Most dirty side of
internet

7. How it works
The Onion Router (Tor):
The main web portal to surface on hidden web
It encrypts users data and uses free Sarver
Impossible to trace the user
Available in any kind of PC, MAC, Android etc.
It has no search engine, so it uses Wiki, BBS(Bulletin Board System)
The sites of Deep Web are different from Surface Web
These sites doesn’t follow any kind of rules
Without the knowledge of programming, networking, proxy etc., it’s difficult
to visit these sites
They never use dot com domain that’s why they are out of www network
They use bit net, onion, free net etc. domain
They use dot onion in their address

9. What is available here
WikiLeaks are from Deep Web
Latest edition of any kind of book
Illegal Porn and banned videos
Home delivery service of Drugs
Main users are addicted people
Terrorist continue their training here
All kind of guns, bombs are available
It provides anonymous chatting service
Piracy of music and film
Serial killer, Porn stars are available here

10. Silk Road:
The most famous black market place
According to Forbs statistics, here the
amount of selling and buying of last
year is 22 million dollar
80% discount for Microsoft, Apple
products
Famous drugs
Different database for different users
1 Bit coin = 9 US dollar
Surface web shows 1% hacking
technique which is leaked from Deep
web
Most risky zone, that’s why user
should think two times before moving
each step on hidden web

11. Why police couldn’t arrest them
Onion network which was
used only by US Navy
Tor browser
Tor browser and Free server
encrypts the users data
It uses various layers and
that’s why it is called onion
Almost impossible to trace
the user

13. Founder of
Silk Road was
arrested by FBI
Dark users are
trying to open
Silk Road 2.0

14. Md. Nazmus Shakib (Robin)
Email: robin.labib@gmail.com
Twitter: @mozrobin
Linkedin:
www.linkedin.com/in/nazmus-
shakib-robin
Facebook:
www.facebook.com/nazmusshakib.ro
bin
THANK YOU !!