With the democratization of social medias and the development of the Internet of Things (IoT), billions of devices are now controlling and collecting data about our health, our home and our social life. In this context, the protection of privacy, from a technical and legal point of view, is one of the main objectives of the Cybersecurity Institute; from the study of the application in 2018 of the European General Data Protection Regulation (GDPR) to technical solutions offering “privacy by design”in the building blocks of IoT devices.