Open Health Hospital Limited – Scalable and Secure Healthcare Infrastructure on AWS
Open Health Hospital Limited
About Open Health Hospital
Open Health Hospital Limited is a Nigerian healthcare organization based in Abuja, managing electronic medical records, clinical information, administrative workflows, and healthcare service delivery for a growing patient base.
Industry
Healthcare
Location
Abuja, Nigeria
Use Cases
EMR Hosting, Security & Compliance, Monitoring, Backup & Recovery
Overview
Transnet Cloud modernized Open Health Hospital's infrastructure in Abuja, Nigeria, focusing on healthcare information system scalability and security, and providing a cloud foundation designed around reliability, monitoring, and operational resilience for a growing healthcare workload.
The Challenge
Open Health Hospital needed to support increasing patient volumes, electronic medical records, clinical data accessibility, and reliable healthcare operations, while managing the complexity of modernizing its existing infrastructure without disrupting day-to-day care delivery.
Proposed Solution & Architecture
Transnet Cloud implemented a secure AWS architecture centered on managed database and storage services, network segmentation, and continuous monitoring for Open Health Hospital's electronic medical records environment.
Database, Storage & Network
Amazon RDS
Managed database service handling patient records and clinical data, reducing infrastructure administration
Amazon S3
Secure, durable object storage for healthcare documents, reports, and backups
Amazon VPC
Segmented subnets isolating clinical data workloads from public-facing components
Security & Identity
AWS IAM
Role-based, least-privilege access control across the AWS environment
AWS KMS
Centralized encryption key management protecting patient data at rest
Amazon GuardDuty
Continuous threat detection analyzing AWS activity and security signals for suspicious behavior
Monitoring, Audit & Compliance
AWS CloudTrail
Full audit trail of administrative and API activity across the AWS environment
Amazon CloudWatch
Centralized monitoring of infrastructure and application performance and availability
AWS Config
Continuous evaluation of resource configurations against approved security baselines
Business Outcomes
A secure, scalable cloud foundation for Open Health Hospital's electronic medical records and clinical operations.
Improved application availability supporting reliable, day-to-day healthcare operations
Enhanced, more reliable access to patient records for clinical and administrative staff
Strengthened security controls protecting sensitive patient data across the environment
Reduced administrative overhead through managed AWS services in place of self-managed infrastructure
A scalable foundation ready to support future digital-health services as patient volumes grow
Operational Targets
Transnet Cloud and Open Health Hospital established the following production reliability, security, and compliance targets for the AWS environment.
≥99.9%
Production Application Availability
100%
Patient Data Encryption Coverage
100%
Production Audit Logging Coverage
≤7 days
Critical Finding Remediation
≥99%
Database Backup Success
0
Unauthorized Public Resource Exposure
Lessons Learned
Open Health Hospital's increasing patient volumes and reliance on electronic medical records demanded infrastructure that could scale without adding administrative complexity — migrating to Amazon RDS offloaded patching, backups, and high-availability management from the internal team.
Segmenting the Amazon VPC into isolated subnets kept clinical data workloads separated from public-facing components, reducing the exposure of sensitive patient information by design rather than through after-the-fact controls.
Layering AWS CloudTrail, AWS Config, and Amazon GuardDuty across the environment gave Open Health Hospital continuous visibility into administrative activity, configuration drift, and emerging threats — closing monitoring gaps that came with growing digital operations.
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