<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>5
<FILENAME>exh32-2_12695.txt
<DESCRIPTION>SECTION 906 CERTIFICATION - C.F.O.
<TEXT>
                                                                    EXHIBIT 32.2
                                                                    ------------



                    CERTIFICATION OF CHIEF FINANCIAL OFFICER


Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. ss. 1350)

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. ss. 1350),
the undersigned, David C. Kahn, Chief Financial Officer of Network-1 Security
Solutions, Inc., a Delaware corporation (the "Company"), does hereby certify to
his knowledge, that:

The Quarterly Report of Form 10-QSB for the quarter ended March 31, 2004 of the
Company (the "Report") fully complies with the requirements of Section 13(a) or
15(d) of the Securities Act of 1934, and the information contained in the Report
fairly presents, in all material respects, the financial condition and results
of operations of the Company.

                                                     /s/ David C. Kahn
                                                     -----------------------
                                                     Chief Financial Officer
                                                     May 17, 2004

</TEXT>
</DOCUMENT>
