All data is encrypted. The Classe 300 EOS unit, like all other devices manufactured by Legrand Netatmo BTicino, is designed in accordance with the guidelines of the ISO / IEC 27000 family of international security standards 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 from cyber threats and risks. The protection of data confidentiality, integrity and availability are the three fundamental principles on which Legrand Netatmo BTicino implements the main control measures.