L’ús of the electronic digital certificate or DNI to access sensitive information, as the data of health, not s’estableixen neither in the LAECSP nor in the RLOPD as the only technologies that guarantee the fulfillment of the safety measures of high level for the identification and l’autenticació d’usuaris. Although from the point of view of the regulations of data protection the system that offers major guarantees of security, as the utilization of mechanisms based on electronic certificates, will always be preferable other systems can be used d’accés to the data contained in the personal folder of health, robust systems d’identificació and authentication, like user and password, whenever the policy of implanted security guarantees the confidentiality.