QuickLinks -- Click here to rapidly navigate through this document


EXHIBIT 32.2

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
(18 U.S.C. SECTION 1350)

        In connection with the accompanying Quarterly Report of Kratos Defense & Security Solutions, Inc. (the "Company") on Form 10-Q for the quarter ended June 29, 2008 (the "Report"), I, Deanna H. Lund, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

Date: August 6, 2008

KRATOS DEFENSE & SECURITY SOLUTIONS, INC.

By:

 

/s/ 
DEANNA H. LUND

Deanna H. Lund
Chief Financial Officer

 

 



QuickLinks