Cloud Solution Architecture for Healthcare, Insurance, and Financial Services Clients
Clients:
The digital wellness and weight-loss platform of the largest health insurer in the US
A nationwide association of 30+ health insurance plans
A Fortune Global 500 insurance and financial services company
Role: Forward Deployed Engineering / Certified Solution Architect
Tech Stacks: AWS, Azure, Infrastructure as Code (IaC), CI/CD
The Challenge
Healthcare and insurance providers desire to accelerate public cloud adoption while adhering to strict regulatory frameworks. They seek scalable, automated, multi-account cloud environments that can pass HITRUST and HIPAA compliance audits.
The Solution
I architected and delivered secure, multi-cloud landing zones on AWS and Azure using a "Compliance-as-Code" methodology. I leveraged AWS Organizations and Azure Management Groups to establish a governance hierarchy where best-practices and controls are inherited automatically by all child AWS accounts and Azure subscriptions.
To ensure HIPAA and HITRUST compliance, I engineered the environment to automatically enforce controls including:
Zero Trust Identity & Access Management
Least Privilege Access: Implemented granular RBAC using AWS IAM Identity Center and Azure Entra ID (AKA Azure AD), restricting access strictly to business needs.
MFA Enforcement: Enforced MFA policies for cloud console and CLI access.
Just-in-Time Access: Implemented privileged identity management solutions that grant temporary elevated access when approved by workflow.
Data Encryption & Security
Encryption at Rest: Enforced mandatory server-side encryption for data stores including S3, EBS, RDS, Azure SQL and Azure Storage using AWS KMS and Azure Key Vault with enforced key rotation.
Encryption in Transit: Configured load balancers, WAFs and API gateways to reject non-TLS traffic, enforcing TLS 1.2+ with strong cipher suites to prevent man-in-the-middle attacks.
Secrets Management: Eliminated hard-coded credentials within app code, replaced with calls to AWS Secrets Manager and Azure Key Vault.
Data Loss Prevention to detect and remediate publicly accessible or unencrypted block storage
Network Isolation & Boundary Protection
Private Connectivity: Removed public internet access for private subnets that hold backend databases and internal services using AWS PrivateLink and Azure Private Endpoints, ensuring traffic doesn’t needlessly traverse the public internet.
Traffic Inspection: Implemented centralized ingress & egress filtering via AWS Network Firewall and Azure Firewall to inspect traffic for malicious patterns.
Auditing, Logging & Monitoring
Infrastructure as Code (IaC): Delivered 100% of the infrastructure via terraform, CloudFormation, and ARM templates integrated into CI/CD pipelines, ensuring compliant, version-controlled environments.
Immutable Logging: Aggregated audit logs (CloudTrail, Azure Activity Logs) into a centralized "Log Archive" account. I configured S3 Object Lock to satisfy HIPAA's non-repudiation requirements.
Retention Policies: Configured automated block storage lifecycle policies to retain audit logs for the minimum durations required by the compliance frameworks.
Continuous Compliance: Configured AWS Config and Azure Policy to detect and automatically remediate configuration drift.
Vulnerability Management
Automated Scanning: Configured Amazon Inspector and Microsoft Cloud Defender to continuously scan compute resources for Common Vulnerabilities and Exposures (CVEs).
Hardened Images: Built automated image generation pipelines to construct hardened operating systems that match industry Benchmarks before use on VMs.
Resiliency & Cost
Resiliency: Achieved target RTO/RPO using cost-efficient Warm Standby and Pilot Light methodologies, supported by cross-region, immutable backups via AWS Backup and Azure Backup.
Cost Optimization: Implemented FinOps strategies utilizing Reserved Instances and Savings Plans to reduce cloud spend by 20-30%.