This blog post demonstrates how to use AWS Lake Formation to manage fine-grained access control in a data lake environment. It compares IAM and Lake Formation, highlighting Lake Formation’s ability to manage permissions at the column and row level. The post outlines a demo infrastructure using various AWS services, including Amazon Athena, Kinesis, S3, and AWS Glue. It then provides a step-by-step tutorial on granting permissions using the Lake Formation console, showing how to restrict access to specific columns and rows of data. The post also discusses tag-based access control and hybrid solutions for more scalable permission management. Overall, the article showcases Lake Formation’s capabilities in creating efficient and secure data lakes with granular access control.