1. Securing Vehicular Communications CSCE 790 Wireless Networking - Spring’08 Presented: April 15, 2008 University of South Carolina Sharaf J. Malebary

2. 6/11/2015CSCE 7152 CONTENT: 1. Introduction & background. 2. Goals. 3. Vulnerabilities. 4. Challenges. 5. Attackers. 6. Sec. architecture. 7. Future & related work & CA. 8. Questions & Answers.

3. 6/11/2015CSCE 7153 1. DEFINITIONS: VANET – Vehicular Ad-Hoc Network

4. 6/11/2015CSCE 7154 INTRO TO VANET

5. 6/11/2015CSCE 7155 INTRO TO VANET

6. 6/11/2015CSCE 7156 INTRO TO VANET

7. 6/11/2015CSCE 7157 VANET APPLICATIONS

8. 6/11/2015CSCE 7158 3. VANET APPLICATIONS Intersection Collision warning Stop Signal violation warning

9. 6/11/2015CSCE 7159 VANET APPLICATIONS V2V Hazard Warning

10. 6/11/2015CSCE 71510 VANET APPLICATIONS V2I Hazard Warning

11. 6/11/2015CSCE 71511 VANET APPLICATIONS

12. 6/11/2015CSCE 71512 3. VANET APPLICATIONS Adaptive Drivetrain Management

13. 6/11/2015CSCE 71513 3. VANET APPLICATIONS Electronic toll payment

14. 6/11/2015CSCE 71514 VANET APPLICATIONS

15. 6/11/2015CSCE 71515 VANET APPLICATIONS Software update

16. 6/11/2015CSCE 71516 VANET APPLICATIONS Parking spot locator

17. 6/11/2015CSCE 71517 VANET APPLICATIONS Instant Messaging (between vehicles)

18. GOALS Some Applications (safety, traffic efficincy, driver assist. And infotainment) VC is a double edged sword? What is the paper about? 6/11/2015CSCE 71518

19. 6/11/2015CSCE 71519 Vulnerabilities: Jamming

20. 6/11/2015CSCE 71520 Spectrum Jamming

21. 6/11/2015CSCE 71521 A jammer may remain quiet when there is no activity on the network, and start interference as soon as it detects a transmission. Jamming Attack Scenario:

22. 6/11/2015CSCE 71522 Vulnerabilities: Forgery

23. 6/11/2015CSCE 71523 Vulnerabilities: Intransit TT

24. 6/11/2015CSCE 71524 Vulnerabilities: Impersonation

25. 6/11/2015CSCE 71525 Vulnerabilities: Privacy Violation

26. 6/11/2015CSCE 71526 Vulnerabilities: On-board Tampering SLOW DOWN The way is clear Similar attack: stop a highway

27. 6/11/2015CSCE 71527 Challenges:

28. 6/11/2015CSCE 71528 Network Volatility Network Scale Delay Sensitive app. Liability VS. Privacy Heterogeneity

29. 6/11/2015CSCE 71529 ATTACKERS Who are they?

30. 6/11/2015CSCE 71530 ATTACKERS Who are they? Greedy Drivers

31. 6/11/2015CSCE 71531 ATTACKERS Who are they? Industrial insiders

32. 6/11/2015CSCE 71532 ATTACKERS Who are they? Malicious attackers

33. 6/11/2015CSCE 71533 ATTACKERS Who are they? Pranksters

34. 6/11/2015CSCE 71534 Security Architecture: Over View

35. 6/11/2015CSCE 71535 Security Architecture: Security HW.VPK Infrastr.Authentication Cert. Revocation Privacy Security HW.

36. 6/11/2015CSCE 71536

37. 6/11/2015CSCE 71537

38. 6/11/2015CSCE 71538

39. 6/11/2015CSCE 71539

40. Certificates issue: 6/11/2015CSCE 71540

41. 6/11/2015CSCE 71541 7. FUTURE WORK

42. 6/11/2015CSCE 71542 THANK YOU

43. Guys if any one has a question please ask, else I am going to ask you about what I just present 6/11/2015CSCE 71543

44. 6/11/2015CSCE 71544 REFERENCES: In this presentation graphical images and schemes were used from the sources as follows: [1] F. Kargl. Vehicular Communications and VANETsVehicular Communications and VANETs [2] M. Weigle. Introduction to Vehicular NetworksIntroduction to Vehicular Networks [3] M. Torrent-Moreno, H. Hartenstein. Current View on VANETs (Safety, Fairness and Fading ) October 14th 2005.Current View on VANETs (Safety, Fairness and Fading ) [4] Car-to-Car Communication Stephan Eichler, Christoph Schroth, Jörg Eberspächer [5] Google Images [6] the slides were taking from a classmate who present for 727, then they were updated and adjusted by me.