1. To achieve full security protection, the data communication is encrypted by SSL/TLS, which achieves the bank level encryption and can meet the high-level security requirements in the commercial area;
2. DingTalk is the first social communication software enterprise who in the country who passed the ISO27001:2013 information security management system standard certification, and obtained the third-level protection certification of the Ministry of Public Security information system of China;
3, many functions of DingTalk have security guarantees, including automatic retreat from Internal Group when leave company, contacts watermark, chatting screen watermark, secret chat, fingerprint lock, etc;
4. DingTalk also support third-party security encryption solutions, which have far-reaching implications for the development of collaborative work by government and enterprises;
5, Government of Zhejiang Province, Public security department of Zhejiang Province are all selected DingTalk, because of the high performance of security.