Case Study
Healthcare Network Implements Zero-Trust Architecture
Executive Summary
A 12-hospital network deployed a full zero-trust security model across 8,000 endpoints, achieving ISO 27001 certification and passing HIPAA audit.
- Industry: Healthcare
- Geography: United Kingdom
- Capability: Cyber Security Resilience
- Technologies: Microsoft Defender, Entra ID, Microsoft Sentinel, Intune
- Key Outcome: Achieved ISO 27001 and HIPAA on first audit; high‑severity alerts fell 93%, mean time to respond dropped below four hours, saving $1.2 M annually, while device onboarding shrank from weeks to 48 hours.
The Challenge
A 12‑hospital network with 8,000 diverse endpoints faced fragmented security tools, legacy devices, and limited staff while chasing ISO 27001 certification and a first‑time HIPAA audit, requiring a unified, zero‑trust model.
Delivery
Unified identity with conditional access, enrolled every device for compliance, applied endpoint detection and response, automated data classification and encryption, segmented network per principle, and instituted continuous monitoring with automated response playbooks.
Results
Achieved ISO 27001 and HIPAA on first audit; high‑severity alerts fell 93%, mean time to respond dropped below four hours, saving $1.2 M annually, while device onboarding shrank from weeks to 48 hours.
“When we started, our security was a patchwork of point solutions that barely kept up with the pace of clinical innovation. The zero‑trust journey not only gave us the confidence that every device, user and transaction is verified before it can touch patient data, but it also delivered our ISO 27001 certification and HIPAA audit on the very first try. The visibility and automation we now have are priceless – we can focus on patient care instead of firefighting security incidents.”
— Chief Information Security Officer, Healthcare Network
Deep Dive into the Outcomes
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