# Security
Security controls restrict access to metadata by default once a connector is created and metadata is crawled. SGAs assign object-level permissions to users and roles explicitly, ensuring roles do not gain automatic access. Permissions apply to each metadata object, including schemas, tables, and columns, maintaining strict alignment with governance policies. This model enforces enterprise-grade security through granular, role-based authorizations, preventing unauthorized access and controlling data visibility precisely.
## Define and Maintain Security on Connector
* Access to metadata is restricted by default after connector creation and crawling.
* SGAs assign permissions to users and roles at the object level
* Permissions cover schemas, tables, columns, and other metadata assets
* Roles gain access only through explicit permission assignment
* The model enforces enterprise-grade security with granular role-based controls
* The model supports enterprise-grade security by controlling access at a granular level through role-based authorizations.
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