Chaos Engineering Validates Healthcare Microsegmentation Resilience

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This case study explores how a major healthcare system leverages chaos engineering principles to strengthen cyber resilience while maintaining critical operational control during simulated attacks. By implementing microsegmentation, the organization created a security architecture, enabling security and IT teams to maintain visibility and access to all users, workloads and devices during simulated attacks, while simultaneously blocking simulated threat actors and restricting non-essential staff. Within 24 hours of deployment, teams created and simulated their first security policies, providing immediate visibility into their network of more than 60,000 devices including critical medical IoT systems. This innovative approach allows pressure-testing systems against cyber threats while maintaining operational continuity, revealing security gaps proactively addressed without disrupting patient care. The session details practical methodologies, metrics and lessons learned that healthcare organizations can apply to enhance disaster preparedness while accelerating Zero Trust implementations.