Mickael Decouflet worked on improving data ingestion quality and user observability for the HarfangLab intake within the SEKOIA-IO/intake-formats repository. He addressed a critical bug by enhancing the configuration management, specifically adding action.properties.TargetUserName and action.properties.TargetUserSid fields to the YAML-based intake format. This data mapping fix resolved missing observable definitions, ensuring more complete user account information is captured during security analytics and investigations. Mickael validated the mapping changes to maintain stable ingestion of user-related observables, contributing to more reliable downstream detection workflows. His work demonstrated depth in configuration management and data mapping using YAML for security data pipelines.