The document discusses issues around open data and data protection in Europe. It summarizes the changing environment, including trends towards open science, the new General Data Protection Regulation, and national open data policies. It then describes the work of DANS, a Dutch data archive, to balance open sharing and protection based on access licenses and data tagging. Finally, it outlines the activities of the Science Europe Working Group on Research Data to develop standards and protocols to support open data practices while ensuring privacy and security.