Transform security logs into OCSF format using a configuration-driven ETL solution

This AWS Professional Services blog describes an ETL solution accelerator that converts custom security logs into OCSF 1.1-compliant Parquet files for ingestion into Amazon Security Lake or other data lakes; it covers prerequisites, architecture, mapping and metadata formats, deployment and orchestration with Step Functions using AWS Glue or EMR Serverless, historical load and enrichment capabilities, validation with an OCSF schema validator, and operational considerations for automating and scaling log normalization.