In any case, personal data of the participants are never given to third parties, whoever they are.
Internal processing of personal data in connection with the preparation of statistical data is completely anonymised.
Moreover, stored data is stored with the best security guarantees namely :
- the servers are hosted in a 'data center' 'protected by a sophisticated set of physical and logical protection measures at the network level as that of the operating system;
- sensitive data stored on disk is encrypted at the database;
- all data exchanged between the server and browser is encrypted by use of the secure HTTPS protocol.