Pramod Nair - Securing 5g and Evolving Architectures
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Pramod Nair
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Library of Congress Control Number: 2021917555
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ISBN-13: 978-0-13-745793-9
ISBN-10: 0-13-745793-6
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I would like to dedicate this book to my family. Thank you for the unwavering support, motivation and patience throughout the development of this book.
Society is about to embark on a digital upgradethe next generation of the worlds mobile communication infrastructure5G. Along with new and innovative capabilities, 5G also introduces new security features, vulnerabilities, and risks. 5G does not just represent significantly increased bandwidth and lower latency, but it is expected to fundamentally change the mobile ecosystem with new partnership models, network slicing, massive deployment of Internet of Things (IoT) devices, and ultimately, an increasingly critical dependency on the technology for society to function. Due to this, our ability to secure 5G will directly affect the resilience of critical infrastructure and national security.
Some of the security key risks affecting 5G confidentiality, integrity, and availability are supply chain risks, increasing complexity leading to new vulnerabilities, and inherent weaknesses in the standards. The supply chain risks have reached the geopolitical center stage due to the high societal impact of 5G, and this has led to national and EU-level regulations, risks assessments, and GSMAs accreditation scheme Network Equipment Security Assurance Scheme (NESAS). The inherent increased complexity of 5G leads to a wide range of new potential vulnerabilities that will require increased vigilance from product vendors, service providers, and users alike.
In order to manage these risks, 5G is equipped with a broad range of security features and capabilities, and GSMA has outlined a list of critically sensitive functionsvirtualization infrastructure, controller, orchestrators, Internet gateways, network slicing, mobile edge computing, routing and switching of IP traffic at the core, database functions, authentication, and access control. As always, a security by design approach following a zero-trust approach, with secure deployments and good operational hygiene, is key to securing the worlds 5G deployments.
In this book, Pramod Nair guides us through the evolution of cellular technologies from a security perspective, the security architecture, deployment modes and use cases of 5G, as well as discusses end-to-end security architecture and prioritizing security investments. His unique outlook as the Lead Security Architect, head of 5G security architecture in Cisco Systems, and from more than 20 years in security allow him to combine a theoretical and applied perspective for the benefit of both business and technical readers.
Andr rnes, PhD
Senior Vice President and Chief Security Officer at Telenor Group
Professor II at the Norwegian University of Science and Technology
5G technology will redefine the way we perceive cellular networks and will touch almost every aspect of our lives. 5G is not about just being faster, bigger, or better; its about enabling multiple services that we'll all consume on an everyday basis. It will give rise to a new ecosystem of developers building applications that exploit the openness of 5G to help you develop new use cases for consumption by enterprises and subscribers alike. New features in 3GPP Releases 16 and 17 help further enable new use cases for non-public deployment of 5G by industry verticals and tighter convergence of 3GPP and non-3GPP technologies, bringing in multiple deployment methodsincluding on-premises, hybrid, and fully public cloud-based deployments. The 5G ecosystem will see a breakout from 3GPP-only based architecture to an open, multi-technology, multi-standard, polyglot ecosystem.
This evolution of the technology landscape also requires an evolution of the security mindset. We should start thinking of security as a foundational layer. It should be one of the primary foundations for any planned 5G use case implementation. This requires embracing multilayered security beyond the requirements in 3GPP specifications.
The business operational risk, legal risk, and reputational risk exist not only for the companies providing 5G software and hardware infrastructure, but for all companies, nation-states, and individuals who provide and consume 5G technology.
The time is now to evaluate the cyber risk posture and apply innovative thoughts to how we can approach these challenges today and build for whats to come tomorrow.
Security in evolving cellular technologies is not an easy concept to grasp, as the technologies have evolved rapidly and are becoming increasingly complex and nuanced as they become more open, especially when you add 5G to the mix.
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