Abstract
Intelligent transport system (ITS), owing to their potential to enhance road safety and improve traffic management, have attracted attention from automotive industries and academia in recent years. The underlying technology—i.e., vehicular ad-hoc networks (VANETs)—provide a means for vehicles to intelligently exchange messages regarding road and traffic conditions to enhance safety. The open nature of ITS as wireless communication technology leads to many security and privacy challenges. These challenges pertain to confidentiality, authentication, integrity, non-repudiation, location privacy, identity privacy, anonymity, certificate revocation, and certificate resolution. This article aims to propose a novel taxonomy of security and privacy issues and solutions in ITS. Furthermore, categorization of security and privacy schemes in ITS and their limitations are discussed with various parameters—scalability, privacy, computational cost, communication overhead, latency—and various types of security attacks has been analyzed. This article leverages new researchers for challenges and opportunities related to security and privacy in ITS.
Highlights
Intelligent transport system (ITS) is an emerging type of information and communication technology (ICT) application, which is based on inter-vehicular communication (IVC)
The scrambler component of all IEEE 802.11p and Wi-Fi radio transceivers cannot guarantee the performance at the lower physical layer and needs to improve the performance of wireless communication
Due to regular sensitive updates as beacons sent by vehicular nodes, security and privacy become key to its successful adoption
Summary
Intelligent transport system (ITS) is an emerging type of information and communication technology (ICT) application, which is based on inter-vehicular communication (IVC). IVC enabled vehicles provide updated information regarding traffic conditions. ITS can be used to minimize road accidents, congestion, and improve traffic efficiency. Intelligent transport system stations (ITS-Ss) with the arrangement of wireless communication is a new growing area of research to reduce road accidents, congestion, and improve traffic efficiency [3]. VANET uses ITS mechanisms to provide reliable information about vehicle’s location, speed, heading, and road conditions. Increase in population and lack of seriousness in driving results in traffic congestions, road accidents and unnecessary delays in traveling [4]. For the betterment of society, there should be a positive use of technology in transport systems to reduce congestion, accidents, and unnecessary delays in traveling.
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