Shahrukh Ahmed enhanced access control for the UKHSA-Internal/data-dashboard-infra repository by implementing an IP Allow List feature using Infrastructure as Code principles and Terraform, with configuration written in HCL. He added a key stakeholder’s IP address to the allow list, enabling secure and auditable access while minimizing manual onboarding steps. The change was delivered as a single, well-documented commit, adhering to governance standards and ensuring traceability for future reviews. By targeting only the necessary infrastructure configuration, Shahrukh reduced the risk of unintended side effects, resulting in a focused update that improved security posture without introducing operational incidents or complexity.