Content by Aaron Merrill (3)

Aaron Merrill explains how OneLake security works with Microsoft Fabric shortcuts to enable zero-copy data distribution. He breaks down passthrough vs delegated shortcuts, how permissions are evaluated (including intersection behavior), and when each model fits—especially for large-scale sharing, cross-tenant scenarios, and external storage sources.

Aaron Merrill announces a preview feature in Microsoft Fabric’s OneLake catalog that lets admins assign, edit, and remove workspace role memberships across multiple workspaces from the Secure tab, helping teams standardize access controls and reduce drift as Fabric estates scale.

Aaron Merrill announces the general availability of OneLake security in Microsoft Fabric, outlining the default enablement rollout, UI improvements for role management, safer RLS authoring with inline validation, and new APIs for managing roles and securing mirrored data across engines.