A company that, for a fee, provides access to applications that users can run without owning their own copies. See ISP . The process of verifying a user's identity. An authentication module controls a specific authentication process. The process of granting specific access privileges to a user.
Authorization is based on authentication and enforced by access control.
See Certificate Authority . In Web browsers, the archive of recently visited Web pages, graphics, or other files that is stored in memory or on users' disks. Certificate Discovery Protocol. Request and response protocol used by two parties to transfer certificates. A set of data that identifies a person, machine, or application.