There are different ways to delete data in LUCY:
Within a campaign, all data can be deleted irrevocably with one click using "Reset Stats".
By removing a recipient group within the campaign, all data for this group is irrevocably deleted.
Deleting a campaign irrevocably deletes all data for this campaign.
All settings are irrevocably deleted by the factory reset.
All access logs are deleted irrevocably with the "clear" button.
All logs (databases, application logs, etc.) can be deleted irrevocably with one click within the system monitoring.