EXHIBIT 32.1

      CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
                                  PURSUANT TO
                            18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                 SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

    I, George Samenuk certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual
Report of Networks Associates, Inc. on Form 10-K for the year ended December
31, 2003 fully complies with the requirements of Section 13(a) or 15(d) of the
Securities Exchange Act of 1934 and that information contained in such Form
10-K fairly presents in all material respects the financial condition and
results of operations of Networks Associates, Inc.


                               By:   /s/ George Samenuk
                                    ------------------------------------------
                                    Name:  George Samenuk
                                    Title: Chairman and Chief Executive Officer

    I, Stephen C. Richards certify, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the
Annual Report of Networks Associates, Inc. on Form 10-K for the year ended
December 31, 2003 fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934 and that information contained in
such Form 10-K fairly presents in all material respects the financial condition
and results of operations of Networks Associates, Inc.


                               By:  /s/ Stephen C. Richards
                                    -------------------------------------------
                                    Name: Stephen C. Richards
                                    Title: Chief Operating Officer and Chief
                                           Financial Officer



Dated:  March 9, 2004