Digital transformation is a reality in all areas. Technologies leverage a broad set of opportunities to satisfy diverse needs, optimizing available resources and reducing the risks associated with the use of technologies. The health sector is one of the sectors that most care must have in the processing of personal data, ensuring the privacy of patient data. With the entry into force of the new GDPR, the importance of protecting data in the health sector is even more evident. We discuss in this article the main implications of the treatment of personal data in the health sector.