AMENDMENT NO. 1
                                       TO
                               SECURITY AGREEMENT


         Amendment No. 1 (the "Amendment"), dated as of October 15, 2001, to
Security Agreement (the "Security Agreement"), dated as of September 14, 2001,
by and between Vizacom Inc. ( "Debtor"), a Delaware corporation with its
principal place of business located at 3512 Veterans Memorial Highway, Bohemia,
New York 11716, and SpaceLogix, Inc. (the "Secured Party" and together with the
Debtor, the "Parties"), a Delaware corporation having its principal place of
business at 500 Fifth Avenue, 14th Flr, New York, NY 10176.

         WHEREAS, the Parties desire to amend the Security Agreement as set
forth herein.

         NOW, THEREFORE, in consideration of the mutual covenants contained
herein, and other good and valuable consideration, the receipt and sufficiency
of which is hereby acknowledged, it is hereby agreed as follows:

         1.     Amendment.  Section 4 of the Security Agreement is hereby
amended and restated as follows:

                     "4.  Events of Default.  The occurrence of any of the
                following events with respect to Debtor shall constitute an
                event of default on the part of Debtor hereunder (an "Event of
                Default"):

                          (a) failure by Debtor to pay the principal or interest
                     of the Note or any installment thereof when due, whether on
                     the date fixed for payment or by acceleration or otherwise;
                     provided, however, that failure to pay any principal or
                     interest when due shall not be an Event of Default if such
                     overdue payment is paid within ten business days of such
                     due date; or

                          (b) if Debtor or any other authorized person or entity
                     shall take any action to effect a dissolution, liquidation
                     or winding up of Debtor; or

                          (c) if Debtor shall make a general assignment for the
                     benefit of creditors or consent to the appointment of a
                     receiver, liquidator, custodian, or similar official of all
                     or substantially all of its properties, or any such
                     official is placed in control of such properties, or Debtor
                     shall commence any action or proceeding or take advantage
                     of or file under any federal or state insolvency statute,
                     including, without limitation, the United States
                     Bankruptcy Code or any political subdivision thereof,
                     seeking to have an order for relief entered with
                     respect to it or seeking adjudication as a bankrupt
                     or insolvent, or seeking reorganization, arrangement,
                     adjustment,


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                     liquidation, dissolution, administration, a voluntary
                     arrangement, or other relief with respect to it or its
                     debts; or

                          (d) there shall be commenced against Debtor any action
                     or proceeding of the nature referred to in paragraph (c)
                     above or seeking issuance of a warrant of attachment,
                     execution, distraint, or similar process against all or any
                     substantial part of the property of Debtor, which results
                     in the entry of an order for relief which remains
                     undismissed, undischarged or unbonded for a period of sixty
                     days; or

                          (e) Borrower enters into an agreement to acquire a
                     business other than SpaceLogix without the consent of
                     SpaceLogix."

         2.     Miscellaneous.
                -------------

         (a) This Security Agreement shall be construed in accordance with and
governed by the laws of the State of New York, without regard to its conflicts
of law principles.

         (b) This Security Agreement may be executed in any number of
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.


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<PAGE>


         IN WITNESS WHEREOF, the parties hereto, intending to be legally bound
hereby, have executed and delivered this Amendment as of the day and year first
above written.

                                           SPACELOGIX, INC.


                                           By:      /s/ Mark Barbera
                                               ---------------------------------
                                               Name:  Mark Barbera
                                               Title: CFO


                                           VIZACOM INC.


                                           By:       /s/ Alan Schoenbart
                                               ---------------------------------
                                               Name:  Alan Schoenbart
                                               Title: CFO


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