Ilham Mahaputra focused on stabilizing and optimizing cloud infrastructure for the OWASP/wrongsecrets repository, addressing operational issues by aligning EKS and EC2 worker nodes to the t3.large instance type. This change resolved compatibility and cost concerns, improving platform reliability and efficiency. Ilham also enhanced developer onboarding and troubleshooting by updating documentation for challenges 47 and 51, refining build instructions and clarifying file paths. The work demonstrated practical expertise in AWS, Terraform, and YAML, with a clear emphasis on infrastructure-as-code and DevOps best practices. These targeted improvements reduced ambiguity and operational risk, supporting faster delivery cycles and more cost-effective infrastructure management.