
Ehsan Afzal engineered and maintained access control mechanisms for the UKHSA-Internal/data-dashboard-infra repository, focusing on secure, auditable IP allow-list management using Terraform and HCL. Over six months, Ehsan delivered a series of infrastructure-as-code updates that enabled precise, least-privilege access for team members and penetration testers, while ensuring compliance and traceability through detailed commit histories. His work included rapid remediation of access issues, onboarding automation, and security hardening by restricting resource access to authorized networks. Ehsan’s approach emphasized reproducibility, governance, and minimal operational disruption, demonstrating depth in network security, infrastructure automation, and version-controlled change management within cloud environments.

September 2025 performance summary for UKHSA-Internal/data-dashboard-infra: Security hardening focused on enabling authorized penetration testing while minimizing blast radius. Implemented a targeted IP allow-list update to grant pen-test access exclusively to approved IPs, contributing to a tighter security posture without impacting production workloads. All changes were committed with a clear, auditable history.
September 2025 performance summary for UKHSA-Internal/data-dashboard-infra: Security hardening focused on enabling authorized penetration testing while minimizing blast radius. Implemented a targeted IP allow-list update to grant pen-test access exclusively to approved IPs, contributing to a tighter security posture without impacting production workloads. All changes were committed with a clear, auditable history.
July 2025 monthly summary for UKHSA-Internal/data-dashboard-infra: Delivered Terraform-based IP allow list expansion to include new team IPs, enabling immediate access to resources. This involved updating the allow list with a new range, ensuring teammates can securely reach critical infrastructure without manual intervention. No other major bugs fixed this month; ongoing monitoring of access controls and configuration drift.
July 2025 monthly summary for UKHSA-Internal/data-dashboard-infra: Delivered Terraform-based IP allow list expansion to include new team IPs, enabling immediate access to resources. This involved updating the allow list with a new range, ensuring teammates can securely reach critical infrastructure without manual intervention. No other major bugs fixed this month; ongoing monitoring of access controls and configuration drift.
June 2025: Delivered a critical access-control enhancement for the data-dashboard infra by updating Terraform IP allow-lists to include new addresses and reflect current access requirements. This enables access for specific users and teams while preserving security controls. No major bugs reported this month; security posture improved through codified access rules and reproducible IaC changes.
June 2025: Delivered a critical access-control enhancement for the data-dashboard infra by updating Terraform IP allow-lists to include new addresses and reflect current access requirements. This enables access for specific users and teams while preserving security controls. No major bugs reported this month; security posture improved through codified access rules and reproducible IaC changes.
February 2025 monthly summary for UKHSA-Internal/data-dashboard-infra. Focused on delivering IP Allow-List Access Control Updates to strengthen access governance and accuracy of IP-based access in the data-dashboard-infra environment. Implemented via Terraform configuration updates and a series of commits that tighten, validate, and document IP allow-list entries across the infrastructure.
February 2025 monthly summary for UKHSA-Internal/data-dashboard-infra. Focused on delivering IP Allow-List Access Control Updates to strengthen access governance and accuracy of IP-based access in the data-dashboard-infra environment. Implemented via Terraform configuration updates and a series of commits that tighten, validate, and document IP allow-list entries across the infrastructure.
January 2025: Data Dashboard Infra security hardening through IP allowlist updates. Implemented access control updates to the Data Dashboard infrastructure to restrict access to authorized IPs and enable designated team members, reinforcing least-privilege principles and improving compliance posture. Changes are tracked across multiple commits for traceability.
January 2025: Data Dashboard Infra security hardening through IP allowlist updates. Implemented access control updates to the Data Dashboard infrastructure to restrict access to authorized IPs and enable designated team members, reinforcing least-privilege principles and improving compliance posture. Changes are tracked across multiple commits for traceability.
November 2024 — UKHSA-Internal/data-dashboard-infra: Access control stabilization achieved via IP allow-list correction for Krishna (Windows). Updated ip-allow-lists.tf to 165.225.197.26/32 to restore accurate access control. Change committed: ef1c50ebe59796440fc7d6b5f897e599de6f7c61 (update krishna ip).
November 2024 — UKHSA-Internal/data-dashboard-infra: Access control stabilization achieved via IP allow-list correction for Krishna (Windows). Updated ip-allow-lists.tf to 165.225.197.26/32 to restore accurate access control. Change committed: ef1c50ebe59796440fc7d6b5f897e599de6f7c61 (update krishna ip).
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