CYBERSOURCE CORP - FORM 10-Q - EX-32.1 - CERTIFICATION PURSUANT TO 18 U.S.C. 1350, AS ADOPTED PURSUANT TO SECTION 906 - May 7, 2010

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10-Q - FORM 10-Q - CYBERSOURCE CORPd10q.htm
EX-32.2 - CERTIFICATION PURSUANT TO 18 U.S.C. 1350, AS ADOPTED PURSUANT TO SECTION 906 - CYBERSOURCE CORPdex322.htm
EX-31.2 - CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 - CYBERSOURCE CORPdex312.htm
EX-31.1 - CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 - CYBERSOURCE CORPdex311.htm

EXHIBIT 32.1

CYBERSOURCE CORPORATION

Certification Pursuant to 18 U.S.C. Section 1350, as Adopted

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the periodic report of CyberSource Corporation (the “Company”) on Form 10-Q for the period ended March 31, 2010 as filed with the Securities and Exchange Commission (the “Report”), I, Michael A. Walsh, President and Chief Executive Officer of the Company, hereby certify as of the date hereof, solely for purposes of Title 18, Chapter 63, Section 1350 of the United States Code, that to the best of my knowledge:

 

  (1) the Report fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, and

 

  (2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company at the dates and for the periods indicated.

This Certification has not been, and shall not be deemed, “filed” with the Securities and Exchange Commission.

 

Date: May 7, 2010      

/s/ Michael A. Walsh

      Michael A. Walsh
      President and Chief Executive Officer
      (Principal Executive Officer)

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