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Healthcare

Patched 47 Critical CVEs Before HIPAA Audit

18 days
3 engineers
HealthTech Startup
AzureDockerPostgreSQLRedisTrivyVault
47
CVEs Fixed
PASS
Audit Result
18
Days to Fix
Zero
Findings
Security Posture Transformation
Metric
Before
After
Critical CVEs
47
0 -100%
DB Exposure
Port 5432 public
VPC-only Secured
Secrets
Plaintext .env
Vault + rotation Encrypted
HIPAA Status
Non-compliant
Full compliance PASS
HealthTech HIPAA security & zero-trust architectureHealthTech HIPAA security & zero-trust architecture
HIPAA Security Architecture — Zero-Trust Networking & Secrets Manager

The Challenge

HIPAA compliance audit in 30 days. Trivy scan revealed 47 critical CVEs in container images, exposed database ports, and secrets in environment variables.

✗47 critical CVEs across 12 container images
✗PostgreSQL port 5432 exposed to public internet
✗API keys in plaintext .env files
✗No WAF — OWASP Top 10 vulnerabilities present

Our Solution

Systematic image rebuild with distroless bases, network policy enforcement, secret rotation via HashiCorp Vault, and WAF deployment.

Rebuilt all 12 images using distroless/static bases
Deployed K8s NetworkPolicies to isolate namespaces
Migrated all secrets to Vault with auto-rotation
Configured Azure WAF with OWASP 3.2 ruleset
Implemented audit logging for PHI access
Results & Impact

Maintained SOC2 + HIPAA compliance for 14 consecutive months with zero drift.

Project Timeline

Day 1-3
Full security assessment — Trivy, network scan, secrets audit
Day 4-8
Container image rebuilds with distroless bases
Day 9-12
Network policies, Vault setup, secrets migration
Day 13-16
WAF deployment, pen testing, audit prep
Day 17-18
Final compliance docs and dry-run audit
C

"We went from 47 critical CVEs to zero findings in 18 days. CloudLink saved our biggest contract."

CTO
HealthTech Startup

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