Securing Vehicular Communications

CSCE 790 Wireless Networking - Spring’08

Presented: April 15, 2008

University of South Carolina

Sharaf J. Malebary

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CONTENT:

1. Introduction & background.2. Goals.3. Vulnerabilities.4. Challenges.5. Attackers.6. Sec. architecture.7. Future & related work & CA.8. Questions & Answers.

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1. DEFINITIONS:VANET – Vehicular Ad-Hoc Network

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INTRO TO VANET

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INTRO TO VANET

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INTRO TO VANET

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VANET APPLICATIONS

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3. VANET APPLICATIONS

Intersection Collision warning

Stop Signal violation warning

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VANET APPLICATIONS

V2V Hazard Warning

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VANET APPLICATIONS

V2I Hazard Warning

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VANET APPLICATIONS

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3. VANET APPLICATIONS

Adaptive Drivetrain Management

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3. VANET APPLICATIONS

Electronic toll payment

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VANET APPLICATIONS

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VANET APPLICATIONS

Software update

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VANET APPLICATIONS

Parking spot locator

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VANET APPLICATIONS

Instant Messaging (between vehicles)

GOALS• Some Applications (safety, traffic efficincy,

driver assist. And infotainment)

• VC is a double edged sword?

• What is the paper about?

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Vulnerabilities:

Jamming

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Spectrum Jamming

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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:

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Vulnerabilities:

Forgery

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Vulnerabilities:

Intransit TT

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Vulnerabilities:

Impersonation

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Vulnerabilities:

Privacy Violation

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Vulnerabilities:

On-board Tampering

SLOW DOWN

The way is clear

Similar attack: stop a highway

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Challenges:

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Network Volatility

Network Scale

Delay Sensitive app.

Liability VS. Privacy

Heterogeneity

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ATTACKERS

Who are they?

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ATTACKERS

Who are they?

Greedy Drivers

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ATTACKERS

Who are they?

Industrial insiders

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ATTACKERS

Who are they?

Malicious attackers

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ATTACKERS

Who are they?

Pranksters

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Security Architecture:

Over View

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Security Architecture:

Security HW.

VPK Infrastr.

Authentication

Cert. Revocation

Privacy

Security HW.

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Certificates issue:

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7. FUTURE WORK

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THANK YOU

• Guys if any one has a question please ask, else I am going to ask you about

what I just present

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REFERENCES:

In this presentation graphical images and schemes were used from the sources as follows:

[1] F. Kargl. Vehicular Communications and VANETs

[2] M. Weigle. Introduction to Vehicular Networks [3] M. Torrent-Moreno, H. Hartenstein. Current View on VANETs (Safety, Fairness and Fading ) October 14th

2005.

[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.