European privacy legislation does not apply to private
citizens, which means that you are allowed to take photos of other people in
public areas, just as others are allowed to take photos of you and put them
online. Secretly taking pictures or recording video in non-public areas is,
however, not allowed.
Companies and Organisations
Data collected by UAS can be stored securely, and some
professional UAS even have a so-called ‘Local Data Mode’.