Please someone report them to the European privacy watchdog for this.<p>The rest of the cloud storage providers go to great lengths to make sure this kind of mistake isn't possible.<p>Dropbox should be punished for abusing the fact their internal deletion methods aren't auditable to allow data to go undeleted.
This is a problem with all cloud storage as far as I know. Just like "deleting" a file on your PC all you have done is remove the pointers to it. Still forensically available unless you actually overwrite the media.