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NOTE MODIFICATION AGREEMENT

This Note Modification Agreement
is entered into by and between FORTIFIED HOLDINGS CORP. (Maker) and THOMAS
KEENAN VENTURES, LLC (Holder, and collectively with Maker, the Parties), and
is made effective as of the 16th day of October, 2007 (the Effective Date).
All capitalized terms not otherwise defined herein shall have the definitions
ascribed to them in the Note.

Recitals

| | A. | Maker is the maker of a certain Term Loan Note in
        the original principal amount of $5,000,000, dated effective September
        13, 2007 and made payable to Holder (the Note);
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| |    |                                                                                                                                                                                           
| | B. | Holder continues to be the holder of the Note as
        of the date hereof; and                                                                                                          
| |    |                                                                                                                                                                                           
| | C. | The Parties desire to amend the principal payment
        schedule set forth in the Note.                                                                                                 

NOW
THEREFORE, in consideration of the mutual benefits to be obtained hereunder,
upon full execution hereof, the Parties agree as follows:

Agreement

| | 1. | The definition of Maturity Date contained
      in Section 1 of the Note is amended in its entirety to read as follows:
| | -- | -------------------------------------------------------------------------------------------------------------------------
| |    |                                                                                                                          
| |    | Maturity Date means March 15, 2008.                                                                                    
| |    |                                                                                                                          
| | 2. | Section 3(b) of the Note is hereby amended in its
      entirety to read as follows:                                     

| | (b) | Principal. Principal shall be due and payable
        in Dollars in immediately available funds as follows: (i) two hundred
        fifty thousand dollars ($250,000) on or before November 19, 2007; (ii)
        five hundred thousand dollars ($500,000) on or before December 14, 2007;
        (iii) one million dollars ($1,000,000) on or before January 15, 2008;
        (iv) one million dollars ($1,000,000) on January 31, 2008; (v) one million
        dollars ($1,000,000) on February 15, 2008; (vi) one million dollars ($1,000,000)
        on February 28, 2008; and (vi) one (1) final installment in an amount
        equal to the then outstanding principal on the Maturity Date. Notwithstanding
        anything herein to the contrary, unless sooner accelerated as a result
        of the occurrence of an Event of Default, the entire outstanding indebtedness
        under this Note, including, but not limited to, outstanding principal
        together with any and all accrued and unpaid interest and any other amounts
        due
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hereunder, shall be due and payable in
full, in Dollars and in immediately available funds on the Maturity Date.

| | 3. | The Parties acknowledge that
        Maker is in default with respect to the payment of principal and interest
        originally required to be made under the Note on or before October 8,
        2007, subject to a cure period that expired October 16, 2007 (the Existing
        Default). Holder hereby waives the Existing Default. This waiver
        shall be effective only in this specific instance and for the specific
        purpose for which it is given, and this waiver shall not entitle Maker
        to any other or further waiver in any similar or other circumstances.
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| |    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
| | 4. | Except as set forth above, the Note remains in
      full force and effect, in accordance with its original terms.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

IN
WITNESS WHEREOF, the Parties have executed this Note Modification Agreement as
of the date first written above.

|FORTIFIED HOLDINGS CORP.:  |  | THOMAS KEENAN VENTURES LLC: 
|-------------------------- |  | ----------------------------
|                           |  | By: TK Management LLC       
|                           |  |                             
|                           |  |                             
|By:    /s/ Alan D. Hurwitz |  | By:    /s/ Brendan T. Reilly
|Alan D. Hurwitz            |  | Brendan T.
      Reilly     
|Chief Financial Officer    |  | Sole Manager                

ACKNOWLEDGEMENT OF GUARANTOR

Fortified Data Communications,
Inc., a Delaware corporation and the Guarantor of the above-referenced Note,
hereby acknowledges and assents to the foregoing amendments to the Note and
agrees (i) that the Note, as so amended, shall continue to be guaranteed by
Guarantor pursuant to that certain Continuing Guaranty Agreement between
Guarantor and TKV dated as of September 13, 2007 (the Guaranty), and (ii) the
Guarantors obligations under the Guaranty shall continue to be secured pursuant
to that certain Security Agreement between Guarantor and TKV dated as of
September 13, 2007; provided, however, nothing herein shall be construed to
require notice to or the assent of Guarantor in the event of any other amendment
of, or waiver with respect to, the Note.

| | FORTIFIED DATA COMMUNICATIONS, INC.: | 
| | ------------------------------------ | 
| |                                      | 
| |                                      | 
| | By:    /s/ Alan D. Hurwitz           | 
| | Alan D.
      Hurwitz                | 
| | Chief
      Financial Officer        | 

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