Worked on the UKGovernmentBEIS/inspect_ai repository to enhance security and reliability in AWS S3 interactions by addressing credential management issues. Focused on removing hard-coded AWS access keys from Python code, the developer enforced the use of the default AWS credential chain, aligning with best practices in cloud computing. This change reduced operational risk by preventing errors related to invalid or expired credentials, particularly in log editing workflows. The update also included documentation improvements in the project’s changelog to clarify the new credential handling approach. The work demonstrated a careful, standards-driven approach to AWS security using Python and cloud infrastructure skills.