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Design and Analysis for Fall Detection System Simplification
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Evaluation of CAN Bus Security Challenges.

Mehmet Bozdal1, Mohammad Samie1, Sohaib Aslam1

  • 1IVHM Centre, Cranfield University, Cranfield MK43 0AL, UK.

Sensors (Basel, Switzerland)
|April 25, 2020
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Summary

Modern vehicles use smart electronics, but the Controller Area Network (CAN) lacks security, creating vulnerabilities. This paper analyzes CAN security risks and explores intrusion detection systems for attack prevention.

Keywords:
CAN networkCAN securityECUin-vehicle communication

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Area of Science:

  • Automotive Engineering
  • Cybersecurity
  • Embedded Systems

Background:

  • Modern vehicles increasingly integrate advanced electronics and connectivity, enhancing features but introducing new security vulnerabilities.
  • The Controller Area Network (CAN) is the prevalent in-vehicle communication protocol, originally designed without robust security measures like encryption or authentication.
  • These security gaps in CAN expose vehicles to sophisticated cyberattacks, potentially leading to accidents and financial losses.

Purpose of the Study:

  • To conduct a comprehensive analysis of the Controller Area Network (CAN) bus concerning its security vulnerabilities.
  • To present an up-to-date overview of the attack surface within vehicle communication networks.
  • To explore and discuss potential solutions for mitigating CAN security risks, focusing on intrusion detection systems (IDS).

Main Methods:

  • Systematic review and analysis of the Controller Area Network (CAN) protocol's architecture and security limitations.
  • Examination of documented and simulated cyberattack scenarios targeting in-vehicle communication systems.
  • Literature review of existing and proposed intrusion detection systems (IDS) for automotive networks.

Main Results:

  • The study confirms that the CAN protocol's inherent lack of encryption and authentication creates significant security vulnerabilities.
  • Identified various attack vectors and demonstrated the feasibility of malicious actors compromising in-vehicle networks.
  • Highlighted the potential of Intrusion Detection Systems (IDS) as a primary defense mechanism against CAN bus attacks.

Conclusions:

  • The widespread adoption of electronics in vehicles necessitates a re-evaluation of CAN bus security.
  • Implementing robust security measures, particularly through advanced intrusion detection systems, is crucial for preventing cyber threats in automotive networks.
  • Further research and development in automotive cybersecurity are essential to ensure the safety and integrity of connected vehicles.