Secure Sockets Layer - SSL is a cryptographic protocol that provides security for communications over networks such as the Internet. SSL encrypt the segments of network connections at the Application Layer to ensure secure end-to-end transit at the Transport Layer.

GeoTrust A leading provider of online security solutions. GeoTrust is a leading provider of online security solutions, offering robust digital certificates that are easy to deploy. GeoTrust SSL Certificates are highly robust yet extremely easy to deploy.

Thawte A leading provider of digital trust solutions. Thawte is a leading provider of digital trust solutions, offering a wide range of full-featured digital certificates. Thawte offers the broadest portfolio of SSL Certificates, helping companies address each customer’s unique requirements.

VeriSign The Web’s most trusted security provider. VeriSign is the leading SSL Certificate Authority, enabling secure transactions for the world’s Web sites, intranets, and extranets. VeriSign SSL Certificates are recognized by industry leaders and consumers as the most trusted solution for protecting sensitive data online.