DSS 0 Digital Satellite System Sistema de Satélite Digital 2001-03-29 Digital Satellite SystemDSS 1 Decision Support System Sistema de Apoyo a la Decisión 2001-03-29 decision support systemDSS 2 Digital Signature Standard Norma sobre Firmas Digitales 2005-07-08 Digital Signature StandardDSS National Institute of Standards and TechnologyNIST 3 Data Security Standard Norma de Seguridad de Datos 2020-02-18