<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>5
<FILENAME>v018486_ex32-2.txt
<TEXT>

                                                                         EX 32.2

                    CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, John M. Thornton, Chairman of the Board and Chief Financial Officer of Mitek
Systems, Inc. (the "Registrant"), do hereby certify pursuant to Rule 13a-14(b)
of the Securities and Exchange Act of 1934, as amended, and Section 1350 of
Chapter 63 of Title 18 of the United States Code that:

(1) the Registrant's Quarterly Report on Form 10-QSB of the Registrant for the
period ended March 31, 2005 (the "Report"), to which this statement is filed as
an exhibit, fully complies with the requirements of Section 13(a) or 15(d) of
the Securities Exchange Act of 1934, as amended; and

(2) the information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Registrant.

Date:    May 16, 2005                        By:/s/  John M. Thornton
                                                ------------------------
                                                      John M. Thornton
                                                      Chairman of the Board and
                                                      Chief Financial Officer







</TEXT>
</DOCUMENT>
