This excerpt taken from the VRSN 10-K filed Mar 16, 2005.
Commerce Security Services
Our commerce security services include our commerce site services and secure payments services.
Commerce Site Services. Commerce site services include our server digital certificate services and content signing digital certificate services. Server certificate services enable Internet merchants to implement and operate secure Web sites that utilize SSL protocol. These services provide Internet merchants with the means to identify themselves to consumers and to encrypt communications between consumers and their Web site. Our content signing digital certificate services provide software developers the means to identify themselves and the validity of their software to the consumers and relying software applications.
We currently offer the following Web server digital certificate services and content signing digital certificate services. Each is differentiated by the target application of the server that hosts the digital certificate.
Secure Payments Services. Using our payment gateway, Internet merchants are able to securely authorize and settle a variety of payment types, including credit, debit and purchase cards, electronic checks, and automated clearing house transactions over the Internet.