CyberSource CEO and CFO to Speak at the 2007 Citi ePayments Conference


MOUNTAIN VIEW, Calif., Nov. 30 -- CyberSource Corporation (NASDAQ:CYBS), a leading provider of electronic payment and risk management solutions, announced today that Bill McKiernan, chairman and chief executive officer, and Steven Pellizzer, chief financial officer, will speak at the 2007 Citi ePayments Conference in New York, NY, on December 6, 2007. Mr. McKiernan will discuss CyberSource's position in the industry and its principal initiatives; Mr. Pellizzer will address the company's financial performance.

About CyberSource
CyberSource Corporation is a leading provider of electronic payment and risk management solutions. CyberSource solutions enable electronic payment processing for Web, call center, and POS environments. CyberSource also offers industry leading risk management solutions for merchants accepting card-not-present transactions. CyberSource Professional Services designs, integrates, and optimizes commerce transaction processing systems. Over 220,000 businesses use CyberSource solutions, including half the companies comprising the Dow Jones Industrial Average. The company is headquartered in Mountain View, California, and has sales and service offices in Japan, the United Kingdom, and other locations in the United States including Bellevue, Washington and American Fork, Utah. For more information on CyberSource please visit www.cybersource.com/ or email info@cybersource.com. For more information on Authorize.Net small business solutions, please visit www.authorize.net/ or email sales@authorize.net.

Source: CyberSource Corporation

CONTACT: Katrina Rymill of CyberSource Corporation, +1-650-965-6154, krymill@cybersource.com

Web site: www.cybersource.com/
http://www.authorize.net/

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