To apply for SSL certificate, you must choose an authoritative CA organization. At present, the more popular international brands are recommended as follows:
I. Komodo
Comodo is a world-renowned issuer of SSL certificates and a well-known manufacturer of network security software. Comodo is committed to providing e-mail security, hosted DNS, PKI management, SSL certificates, secure communication and other services for individuals and business users. Comodo is one of the large certificate publishers to ensure the reliability and security of the Internet. Comodo SSL certificate protects the communication connection between the server and the client browser, ensures the integrity, authenticity and security of the transmitted and received data, and makes Comodo a very trustworthy brand.
Second, Symantec
Founded in 1982, Symantec is a global leader in security. Symantec SSL certificate (formerly VeriSign) is recognized as the most reliable certification authority in the world. 90% of Fortune 500 companies are using Symantec SSL certificates, and banks such as workers, peasants and China Construction and most financial institutions are using Symantec SSL certificates. It serves more than 35 countries around the world and has many enterprises, governments and individual users. There are more than 90 largest financial institutions in the world 100, and 75% of the 500 largest e-commerce websites in North America use Symantec SSL certificates.
Third, the earth trusts.
GeoTrust is the second largest digital security provider in the world and is very popular. Its low price is very suitable for small and medium-sized enterprises It has fast publishing speed and provides SSL encryption up to 256 bits. At present, users in more than 150 countries have chosen Geotrust products to protect their online transactions and various online businesses. GeoTrust's SSL certificates and trust products enable enterprises of all sizes to improve the security of their digital transactions economically and efficiently.
Fourth, RapidSSL.
Rapid is a brand of simple version, quick issuance and entry-level SSL certificate provided by GeoTrust Company of the United States, which is mainly used for small and medium-sized and entry-level e-commerce websites. RapidSSL is a subordinate brand of GeoTrust, which provides cheap SSL/TLS certificate products for individuals and small and micro enterprises, and does not limit the number of installed servers. RapidSSL, as a domain name GeoTrust DV SSL certificate, is simple to apply for, and it usually takes only 10 minutes to issue the server certificate.