Thawte is a leading global Certification Authority (CA). Thawte SSL certificates are used globally to secure servers, provide data encryption, authenticate users, protect privacy and assure online identities through stringent authentication and verification processes.
GeoTrust is the world's second largest digital certificate provider. GeoTrust's world-class SSL Certificates offer fast delivery at a cost-effective price, enabling up to 256-bit SSL encryption, and include a range of GeoTrust True Site Seals based on the level of identity verification.
GeoTrust offers three categories of SSL authentication: extended, organizational, and domain. The level of identity authentication assured by a Certificate Authority is the main differentiator of SSL certificates.
DigiCert provides trusted certificates that are used to verify and authenticate the identities of organizations and domains and to protect the privacy and data integrity of users' digital interactions with web browsers, email clients, documents, software programs, apps, networks and connected IoT devices. DigiCert offers two categories of SSL authentication: extended and organizational. Offer includes EV and OV Code Signing Certificates, as well as Email client certificates and Document signing certificates.
Symantec is the leading SSL certificate provider worldwide. 93% of the Fortune 500 and the world's 40 largest banks secure their website with Symantec SSL certificates. They trust Symantec because of the encryption technology and rigorous business authentication practices. All Symantec SSL Certificates include the Norton Secured Seal, the most trusted mark on the Internet, Symantec Seal-in-Search, and daily Website malware scanning. Every Extended Validation or Pro SSL Certificate includes vulnerability assessment to help you quickly identify and take action against the most exploitable weaknesses on your Website.
RapidSSL is SSL brand well-known for low-cost and fast issuance SSL certificates. RapidSSL offers only domain validated SSL certificates with 128- or 256-bit encryption. RapisSSL is smart choice for security of blogs, low-traffic sites, internal testing domains, and similar websites.