Modern Defense Paradigms: Zero Trust Architecture, Network Segmentation, and Micro-Segmentation

Subhash Bondhala

International Journal of Scientific Research in Computer Science, Engineering and Information Technology, 2025, vol. 11, issue 2, 2230-2239

Abstract: Zero Trust Architecture, Network Segmentation, and Micro-segmentation represent a fundamental shift in cybersecurity defense strategy, moving beyond traditional perimeter-based approaches to address modern threats in increasingly complex digital environments. Organizations implementing these frameworks experience substantially reduced breach costs, faster threat detection, and dramatically improved containment capabilities compared to conventional security models. These methodologies operate on the principle of "never trust, always verify," eliminating implicit trust and implementing comprehensive security controls throughout network infrastructures. Integrating these approaches provides sector-specific benefits across enterprise, financial, healthcare, government, industrial, and retail domains, with each sector experiencing significant improvements in security posture while maintaining operational efficiency. Despite implementation challenges related to legacy systems, policy complexity, and cultural resistance, emerging technologies like artificial intelligence and identity-based controls promise to enhance manageability while expanding applicability. This defensive ecosystem protects against external and internal threats, substantially improving organizational resilience in hybrid environments characterized by cloud migration, remote workforces, and interconnected systems. The collective implementation of these security frameworks delivers consistent cross-industry benefits, including reduced attack surface, improved threat visibility, enhanced containment capabilities, and greater cyber resilience against evolving threats.

Keywords: Zero Trust Architecture; Network Segmentation; Micro-segmentation; Cybersecurity Resilience; Digital Infrastructure Protection (search for similar items in EconPapers)
Date: 2025
Note: Article URL: https://ijsrcseit.com/home/article/view/CSEIT25112714
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Persistent link: https://EconPapers.repec.org/RePEc:jbh:ijsrcs:v11:y2025:i2:id:1277

DOI: 10.32628/CSEIT25112714

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