
Andy Mills contributed to the Coalfire-CF/terraform-aws-vpc-nfw repository by engineering Suricata-based network traffic management, integrating firewall configuration and modern TLS enforcement to enhance security and reduce attack surface. He migrated automation for README updates to GitHub Actions, streamlining maintenance and centralizing workflows. Andy also updated licensing to align with new policy requirements and implemented CODEOWNERS governance, introducing path-based reviewer mapping to improve pull request ownership and compliance. His work leveraged skills in shell scripting, JSON, and DevOps practices, resulting in a more secure, maintainable, and well-governed infrastructure-as-code environment without introducing critical defects during the development period.

January 2026: For the Coalfire-CF/terraform-aws-vpc-nfw repo, delivered CODEOWNERS governance and path-based reviewer mapping to strengthen PR ownership and align with the CoalForge CI/CD workflow. A corrective fix updated the CoalForge team slug to ensure accurate review routing. Changes delivered via two commits, establishing clearer ownership and faster merge readiness. Business impact includes reduced misrouted reviews, improved governance, and enhanced security/compliance posture in infrastructure-as-code.
January 2026: For the Coalfire-CF/terraform-aws-vpc-nfw repo, delivered CODEOWNERS governance and path-based reviewer mapping to strengthen PR ownership and align with the CoalForge CI/CD workflow. A corrective fix updated the CoalForge team slug to ensure accurate review routing. Changes delivered via two commits, establishing clearer ownership and faster merge readiness. Business impact includes reduced misrouted reviews, improved governance, and enhanced security/compliance posture in infrastructure-as-code.
Month: 2025-11. Key features delivered include Suricata-based Network Traffic Management in the terraform-aws-vpc-nfw module, enabling allowed traffic while dropping unwanted connections and enforcing modern TLS versions to reduce attack surface. Licensing direction updated by removing the MIT license file to align with updated policy. Automation enhancements migrated the README update logic to a GitHub Action, simplifying automation and reducing maintenance. Major bugs fixed: no critical defects reported; included code hygiene and cleanup of network policy rules. Overall impact: strengthened security posture, clearer licensing direction, and reduced operational toil through automation. Technologies/skills demonstrated: Terraform, Suricata IDS rules integration, GitHub Actions, security best practices, and release engineering.
Month: 2025-11. Key features delivered include Suricata-based Network Traffic Management in the terraform-aws-vpc-nfw module, enabling allowed traffic while dropping unwanted connections and enforcing modern TLS versions to reduce attack surface. Licensing direction updated by removing the MIT license file to align with updated policy. Automation enhancements migrated the README update logic to a GitHub Action, simplifying automation and reducing maintenance. Major bugs fixed: no critical defects reported; included code hygiene and cleanup of network policy rules. Overall impact: strengthened security posture, clearer licensing direction, and reduced operational toil through automation. Technologies/skills demonstrated: Terraform, Suricata IDS rules integration, GitHub Actions, security best practices, and release engineering.
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