# Internal

Data that has been classified as internal will be encrypted using the symmetric encryption key that has been [setup](https://docs.ngsurvey.com/data-encryption/encryption-setup/transparent-encryption) on your server. 

Internal data is available in clear through administration interface to any users having access to the survey.

## ⚠️ Limitations

Following limitations apply to internal encrypted data.

* No sorting.
* No searching.
* No tag cloud.
* Not available for report filtering.
* Not possible to query the clear values from the database.