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<p>The expansion of connected systems and the increasing structural complexity of modern networking infrastructures introduce significant challenges to digital security. Limitations of traditional perimeter-based security models, together with the growing exposure of resource-constrained devices, further complicate the protection of data and services. This paper examines zero trust architecture (ZTA) as a security paradigm that enforces continuous authentication, microsegmentation, and context-aware access control across heterogeneous network environments. The study combines a conceptual analysis of ZTA principles with a detailed examination of its core architectural components. Furthermore, it critically assesses the challenges and opportunities associated with ZTA adoption in next-generation networks. Representative use cases from enterprise and federated networking environments are presented to support the discussion.</p>

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Zero trust architecture for internet of things devices and next-generation networks: tools, trends, and challenges

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年7月3日

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  • Guilherme N. N. Barbosa,
  • Martin Andreoni,
  • Thi-Mai-Trang Nguyen,
  • Diogo M. F. Mattos

摘要

The expansion of connected systems and the increasing structural complexity of modern networking infrastructures introduce significant challenges to digital security. Limitations of traditional perimeter-based security models, together with the growing exposure of resource-constrained devices, further complicate the protection of data and services. This paper examines zero trust architecture (ZTA) as a security paradigm that enforces continuous authentication, microsegmentation, and context-aware access control across heterogeneous network environments. The study combines a conceptual analysis of ZTA principles with a detailed examination of its core architectural components. Furthermore, it critically assesses the challenges and opportunities associated with ZTA adoption in next-generation networks. Representative use cases from enterprise and federated networking environments are presented to support the discussion.