What are Duke Energy's 6 cloud security lessons with Terraform?

They are: policy as code, dynamic secrets, immutable infra, drift detection, golden paths, and risk metrics.

How does Duke Energy enforce cloud security at scale?

Via a developer platform using Terraform for IaC and Vault for secrets, with automated pipelines blocking non-compliant deploys.

Can small teams use Terraform and Vault like Duke Energy?

Yes—start with modules and CI enforcement. Scale principles, not the full platform.

☁️ Cloud & Infrastructure

Duke Energy Tames Cloud Chaos: 6 Lessons from Terraform and Vault at Scale

Duke Energy juggles 50,000+ Terraform resources across 2,000 AWS accounts without imploding. Here's how they did it, and the 6 lessons that saved their cloud migration.

theAIcatchup Apr 10, 2026 3 min read

Duke Energy engineers configuring Terraform and Vault dashboard for cloud security

⚡ Key Takeaways

Centralize security policy as code with Terraform to prevent drift at scale. 𝕏
Dynamic secrets via Vault eliminate static creds and rotation headaches. 𝕏
Build golden paths and measure risk to boost velocity without breaches. 𝕏

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#DevOps platform #Duke Energy #Terraform #cloud security #developer platform #hashicorp vault

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Originally reported by HashiCorp Blog

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