{"active":true,"blog_title":"How Spark Supports OneLake Security with Row and Column Level Policies","blog_url":"https://blog.fabric.microsoft.com/en-us/blog/how-spark-supports-onelake-security-with-row-and-column-level-security-policies","feature_description":"The feature allows users to implement security policies for data access within the Spark engine. Users may define Object, Row, or Column level security, ensuring that data is secured as defined by these policies when accessed through Fabric Spark and is aligned with the OneSecurity initiative being enabled across Microsoft Fabric.","feature_name":"RLS/CLS Support for Spark and Lakehouse","last_modified":"2025-10-27","product_id":"a731518f-36ca-ee11-9079-000d3a341a60","product_name":"Data Engineering","release_date":"2025-09-17","release_item_id":"0fbf16dd-ce8c-ef11-ac21-002248098a98","release_status":"Shipped","release_type":"Public preview"}