A mobile device (10) capable of storing digital data, includes a storage space (11), and elements for: providing a partial view of the storage space (11) when the content of the storage space is viewed during the connection of the device (10) to a second device (20); and providing an overall view of the storage space (11) when the content of the storage space (11) is viewed during the connection of the device (10) to a second device (20), and when an authorized user of the device (10) performs an authentication with the device (10).