Using security filters you can limit user access, as described in the following table.
| Limit user access to | Description |
| User's own data | Require user sign-in and use the user's email address to filter the data shown to that user. |
| Particular tables, views, and actions | Choose from several different methods to limit users to particular data based on your specific use case. |
| Table rows |
When you configure table settings, specify an expression for the Security filter that is evaluated on each row in a table and returns true or false. If true, the row is included in the app and if false, the row is not included. For example, to display only items assigned to the current user: While security filters are primarily meant to be a security feature, they can also be used as a scalability feature, as described in Scale using security filters |