Akilesh Amaran focused on security hardening for Windows build automation in the github-maccloud/runner-images repository. He addressed a critical integrity issue by updating the Azure CLI signature and Cosmos DB Emulator SHA256 hash within PowerShell-based build scripts, ensuring that only authentic tools are used during continuous integration. Leveraging his skills in DevOps and scripting, Akilesh’s work improved artifact verification and reduced the risk of tampering in the build process. The change was implemented as a traceable, low-risk update with clear documentation, aligning with security baselines and operational best practices. His contribution demonstrated depth in secure build automation and process integrity.