CyberSource Corporation provides electronic payment and risk management solutions to enterprise and small business merchants primarily in the United States and Europe. Its payment solutions include CyberSource Advanced that enables merchants to accept payments made by credit or charge cards, as well as to accept payment by corporate procurement cards, electronic checks, PayPal Express Checkout, and the Bill Me Later service; Authorize.Net, which enables merchants to authorize, settle, and manage credit card and electronic check payments via Web sites, retail stores, mail order/telephone order call centers, and mobile devices; underwriting services for merchants to accept card payments in the United States, as well as to accept and process regional payment types worldwide; and CyberSource Decision Manager, a hosted rules and case management system to create screening rules to automatically route orders for acceptance, rejection, or review.