4 things you need to know before investigating on the internet

397 views

Published on

Presentation given during the ICPEN workshops in Washington, May 2010, explaining the basics about internet as an introduction.

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
397
On SlideShare
0
From Embeds
0
Number of Embeds
6
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

4 things you need to know before investigating on the internet

  1. 1. 4 thingsyouneedtoknowbeforeinvestigatingonthe Internet <br />Julio Cortés del Olmo<br />
  2. 2. 1<br />Whatis internet? <br />
  3. 3. “It is a network of networks that consists of millions of private, public, academic, business, and government networks of local to global scope that are linked by a broad array of electronic and optical networking technologies.”<br />Source: Wikipedia<br />
  4. 4. “The largest system of connected computers around the world which allows people to share information and communicate with each other.”<br />Pascal Blesson- DGCCRF <br />
  5. 5. How old is Internet?<br />15 years? <br />20 years? <br />40 years? <br />
  6. 6. History<br />40 years old<br />1969 ARPANET<br />
  7. 7. 1989 Html, URL, AOL<br />1999 NAPSTER<br />
  8. 8. 2002 <br />Number of users 500 million<br />2009 <br />Social networks, 1 billion users <br />
  9. 9.
  10. 10. Viruses, scams, spies… the Dark Side<br />
  11. 11.
  12. 12.
  13. 13.
  14. 14. Will internet ever be safe while security is in the hands of users? <br />
  15. 15. 2<br />Differences<br />
  16. 16. Objective: gather evidence <br />
  17. 17. 3<br />Basic Concepts<br />
  18. 18. What is a Protocol?<br />HTTP: Hyper Text File Protocol<br />Computer Language<br />
  19. 19. What is an IP address?<br />IP= Internet Protocol<br />NumericLabel<br />66.249.71.123<br />Computer address<br />
  20. 20. Are IP addresses permanent?<br />1 website = 1 IP <br />1 user / 1 IP?? <br />
  21. 21. IP, date and time<br />
  22. 22. What is an internet domain?<br />pedrogarcia.es<br />
  23. 23. What is a URL?<br />http://www.pedrogarcia.es<br />
  24. 24. What is the www?<br />
  25. 25. What is DNS?<br />Domain Name System<br />66.249.71.123 www.pedrogarcia.es<br />
  26. 26. What is a reverse DNS?<br />66.249.71.123www.pedrogarcia.es<br />www.comerbien.es<br />www.visitarwashington.es<br />
  27. 27. What is a WHOIS database?<br />
  28. 28.
  29. 29.
  30. 30. 4<br />Internet management<br />
  31. 31. ICANN<br />Internet Corporation for Assigned Names and Numbers<br />
  32. 32. IANA<br />Internet Assigned Numbers Authority<br />
  33. 33. “Everything in this world is relative, my dear Watson.”<br />Sherlock Holmes – The Dying Detective<br />
  34. 34. 4 thingsyouneedtoknowbeforeinvestigatingonthe Internet <br />Julio Cortés del Olmo<br />

×