ABSTRACT
Objective To implement the disease control and prevention information system digital certification in Tianjin,to achieve full coverage of network direct reporting unit digital certification in the city and to improve the ability to control security risks like information leakage.Methods CA certificate management was implemented with hierarchical framework and electronic authentication cloud platform of national disease control and prevention information system in China.The life-cycle certificate management was realized for certificate update,unlocking,reissuance and withdrawal.A silent server was deployed in Tianjin Centers for Disease Control and Prevention for annual update of digital certificate.Results The digital certificate was issued to the user of Tianjin disease control and prevention information system,the integration was realized with national cloud authentication platform,and digital certificate authentication was implemented for user access.The risks for information leakage were eliminated during network reporting of disease control and prevention information.Conclusion All the authorized users of China's disease control and prevention information system in Tianjin area gain the authentication for access based on digital certificate,and the safety system is improved greatly.