EXHIBIT 32.2

Pursuant to 18 U.S.C. Section 1350, I, Michael J. Mancuso, Vice President and Chief Financial Officer of Computer Sciences Corporation (the “Company”) hereby certify that:

(1) the Company’s Quarterly Report on Form 10-Q for the fiscal quarter ended October 2, 2009 (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.

Dated: November 11, 2009	By:	/s/ Michael J. Mancuso
		Michael J. Mancuso
		Vice President and Chief Financial Officer