All data is encrypted. The Classe 300 EOS, like all other devices produced by Legrand Netatmo BTicino, has been designed in accordance with the guidelines of the international security standards ISO/IEC 27000 and in compliance with the European General Data Protection Regulation (GDPR). Controls and procedures are implemented to protect all data generated, processed and transmitted by the device against cyber threats and risks. The protection of data confidentiality, integrity and availability are the three fundamental principles on which Legrand Netatmo BTicino applies significant control measures.