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Zero-Trust Readiness Roadmap for a Provincial Health Authority

Zero-trust cybersecurity architectures eliminate implicit perimeter trust by enforcing continuous verification and strict microsegmentation across distributed clinical environments. Implementing these architectural controls enables regional health authorities to mitigate lateral ransomware propagation and secure sensitive patient data across connected clinical systems. This project provides a structured readiness evaluation framework and phased implementation roadmap tailored to provincial healthcare infrastructure.

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Capstone Project

Degree:
Zero-Trust Readiness Roadmap for a Provincial Health Authority

Author:

Group

First M. Last

Advisor:

Dr. First Last

City, 2026

Contents

Abstract
1. Project Description and Provincial Governance Context
1.1 Clinical Network Architecture and Perimeter Vulnerabilities
1.2 Threat Vectors and Ransomware Exposure in Health Data Systems
2. Zero-Trust Implementation Controls and Architectural Pillars
2.1 Microsegmentation and Least-Privilege Identity Management
2.2 Continuous Device Authentication and Green Computing Architecture
3. Readiness Evaluation and Security Maturity Metrics
3.1 Pillar-Based Maturity Assessment and Threat Containment Criteria
3.2 Operational Resilience and Clinical Workflow Impact
4. Recommendations and Phased Rollout Priorities
Introduction
Conclusion
Bibliography

Introduction

Modern health information systems face unprecedented exposure to cyber intrusions, rendering conventional perimeter-centric defences insufficient for protecting electronic health records and connected medical devices. As ransomware tactics become increasingly sophisticated, provincial health authorities require zero-trust frameworks that replace implicit trust with continuous, identity-driven authentication and granular authorization across all digital assets [2][4].

Legacy healthcare networks frequently suffer from lateral vulnerability propagation once external boundaries are penetrated, exposing sensitive patient data across disparate clinical departments [1][2]. Implementing zero-trust models addresses these governance weaknesses by partitioning institutional networks into isolated micro-segments, ensuring that compromised endpoints cannot jeopardize systemic operations or disrupt vital patient care workflows [3][4].

This project develops a structured readiness roadmap to guide a provincial health authority through the architectural, technical, and governance stages of zero-trust adoption [1][5]. By evaluating core security pillars and transition milestones, the study establishes a practical model for reinforcing clinical data protection and institutional resilience [2][5].

4. Recommendations and Phased Rollout Priorities

A structured transition toward a zero-trust architecture requires provincial health authorities to prioritize granular identity governance and network microsegmentation over monolithic perimeter defenses. Health authorities must establish strict access controls grounded in least-privilege principles, ensuring that both clinical personnel and connected medical endpoints undergo explicit, continuous validation prior to receiving data access (HealthGuard, 2025; Healthcare and Cybersecurity, 2023). The practical justification for prioritizing microsegmentation rests on the necessity of isolating sensitive electronic health records, diagnostic clusters, and life-critical Internet of Medical Things (IoMT) devices, which curtails lateral threat propagation during credential compromise. Furthermore, applying continuous verification across distributed provincial healthcare environments requires lightweight, energy-efficient architectural models that maintain computational resilience without introducing operational latency to emergency clinical workflows (IoT Cybersecurity Architecture, 2024). In practical execution, this operational roadmap outlines a sequential deployment: administrators first centralize unified identity registries and multi-factor authentication, subsequently implement virtual boundary segmentation around regional hospital subnets, and finally embed automated telemetry inspection. By aligning technical validation criteria with clinical availability requirements, provincial governance teams systematically reduce infrastructure exposure while safeguarding uninterrupted patient care delivery.

References

  1. HealthGuard™: An Integrated Zero Trust Cybersecurity Framework for Healthcare Environments
    Paulo Fernandes Biao
    Lien DOI
  2. Healthcare and Cybersecurity: Zero Trust
    George Vukotich
    Lien DOI
  3. A Novel Zero-Trust Machine Learning Green Architecture for Healthcare IoT Cybersecurity: Review, Analysis, and Implementation
    Zag ElSayed, Nelly Elsayed, Sajjad Bay
    Lien DOI
  4. Healthcare and Cybersecurity: Taking a Zero Trust Approach
    George Vukotich
  5. A Design-Science, Conceptual Framework paper proposing a Zero-Trust Security Architecture and Implementation roadmap for AI-enabled Cybersecurity in University-Industry Digital Ecosystems within the Industry 5.0 era
    Micheal Adelani Adewusi

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