The Internet of Things: A Security Point of View

Shancang Li, Theo Tryfonas, Honglei Li

Research output: Contribution to journalSpecial issue (Academic Journal)peer-review

120 Citations (Scopus)
1355 Downloads (Pure)

Abstract

Purpose
-- To provide an in-depth overview of the security requirements and challenges for Internet of Things (IoT) and discuss security solutions for various enabling technologies and implications to various applications.

Design/methodology/approach
-- Security requirements and solutions are analyzed based on a four-layer framework of IoT on sensing layer, network layer, service layer, and application layer. The cross-layer threats are analyzed followed by the security discussion for the enabling technologies including identification and tracking technologies, WSN and RFID, communication, networks, and service management.

Finding
-- IoT calls for new security infrastructure based on the new technical standards. As a consequence, new security design for IoT shall pay attention to these new standards. Security at both the physical devices and service-applications is critical to the operation of IoT, which is indispensable for the success of IoT. Open problems remain in a number of areas, such as security and privacy protection, network protocols, standardisation, identity management, trusted architecture, etc.

Practical implications
-- The implications to various applications including SCADA, enterprise systems, social IoT are discussed. The paper will serve as a starting point for future IoT security design and management. The security strategies for IoT should be carefully designed by managing the trade-offs among security, privacy, and utility to provide security in multi-layer architecture of IoT.

Originality/value
-- The paper synthesizes the current security requirements for IoT and provides a clear framework of security infrastructure based on four layers. Accordingly, the security requirements and potential threats in the four-layer architecture are provided in terms of general devices security, communication security, network security, and application security.
Original languageEnglish
Pages (from-to)337-359
Number of pages23
JournalInternet Research
Volume26
Issue number2
DOIs
Publication statusPublished - 4 Apr 2016

Keywords

  • Internet of Things
  • Security Requirements
  • Multi-layer Security Architecture

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