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Title	Securing Massive Iot Using Network Slicing And Blockchain
ID_Doc	47764
Authors	Bao S.; Sun Z.; Cruickshank H.
Year	2025
Published	Security and Privacy for 6G Massive IoT
DOI	http://dx.doi.org/10.1002/9781119988007.ch5
Abstract	The concept of Internet of Things (IoT) has been developed and transformed into a new shape. Emerging IoT applications, such as connected cars, extended reality, and smart cities, are on the horizon. These applications demand massive quantities of data and computation power. The fifth-generation (5G) mobile networks cannot meet the full needs of the massive IoT systems. Moreover, the security and privacy of IoT remain considerable challenges due to the massive scale and distributed nature of IoT networks. The proliferation of IoT devices amplifies the attack surface due to increased entry points, inadequate security measures, lack of standardization, data privacy concerns, etc. Network slicing facilitates the support of different service types with varying requirements, which brings into light the slicing-aware next-generation mobile network architecture. Network slicing seems like a promising approach when IoT devices explode on the attack surface. In addition, distributed ledger technology may be a solution to mitigate the security and privacy issues of IoT by leveraging its decentralized yet immutable and auditable ledger, which may help ease administrative negotiations and build mutual trust among multi-stakeholders. In this chapter, we explore the background of massive IoT systems, analyze their security and privacy requirements and challenges, and discuss security countermeasures. Furthermore, this chapter covers potential blockchain-based approaches for secure network slicing to protect massive IoT systems. The different approaches proposed in the literature are compared and open research areas are presented. © 2025 John Wiley & Sons, Ltd. All rights reserved.
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