Worked on enhancing security hygiene in the Homebrew/homebrew-cask repository by updating the SHA256 checksums for Codex-App downloads. This targeted change focused on improving artifact integrity verification, reducing the risk of tampered downloads and addressing supply-chain security concerns. The update was implemented in Ruby, leveraging skills in DevOps, package management, and security best practices. No user-facing features or API changes were introduced, ensuring backward compatibility with existing update workflows. The work demonstrated a methodical approach to risk mitigation by maintaining the reliability of package distribution while strengthening compliance and trust for end users relying on secure software delivery.