United States Securities and Exchange Commission
                              Washington, DC 20549

                                   Form 12b-25

                           Notification of Late Filing

(Check One):
/ / Form 10-K   / / Form 20-F   / / Form 11-K   /X/ Form 10-Q   / / Form N-SAR

                         For Period Ended: September 30, 2003
                         / / Transition Report on Form 10-K
                         / / Transition Report on Form 20-F
                         / / Transition Report on Form 11-K
                         / / Transition Report on Form 10-Q
                         / / Transition Report on Form N-SAR
                         For the Transition Period Ended:

                         Commission File Number 1-11900
                            CUSIP Number 45812J 10 1

If the notification  relates to a portion of the filing checked above,  identify
the Item(s) to which the notification relates:


Part I -  Registrant Information

Integrated Security Systems, Inc.
8200 Springwood Drive, Suite 230
Irving, TX  75063


Part II - Rules 12b-25(b) AND (c)

If the subject report could not be filed without  unreasonable effort or expense
and the registrant seeks relief pursuant to Rule 12b-25(b), the following should
be completed.

         (a)    The reasons  described in reasonable  detail in Part III of this
                form  could not be  eliminated  without  unreasonable  effort or
                expense;

   /X/   (b)    The subject annual report, semi-annual report, transition report
                on Form 10-K, Form 20-F, 11-K or Form N-SAR, or portion thereof,
                will be filed on or before the fifteenth  calendar day following
                the  prescribed  due date;  or the subject  quarterly  report of
                transition report on Form 10-Q, or portion thereof will be filed
                on or before the fifth calendar day following the prescribed due
                date; and

         (c)    The  accountant's  statement or other  exhibit  required by Rule
                12b-25(c) has been attached if applicable.






Part III - Narrative

The Company is currently awaiting  financial  information and is delaying filing
of the Form 10-QSB for possible disclosure implications. The Company anticipates
filing the Form 10-QSB on or before November 19, 2003.


Part IV - Other Information

(1)      Name and  telephone  number  of  person  to  contact  in regard to this
         notification:

         David H. Oden
         Haynes and Boone, LLP
         (972) 739-6929

(2)      Have all other periodic  reports  required under Section 13 or 15(d) of
         the  Securities  Exchange  Act of 1934 or Section 30 of the  Investment
         Company Act of 1940 during the  preceding 12 months or for such shorter
         period than the  registrant  was required to file such  report(s)  been
         filed? If answer is no, identify report(s).  /X/ Yes   / / No

(3)      Is it anticipated that any significant  change in results of operations
         from  the  corresponding  period  for  the  last  fiscal  year  will be
         reflected  by the  earnings  statements  to be  included in the subject
         report or portion thereof?  /X/ Yes   / / No


Three Months Ended  September 30, 2003 Compared to Three Months Ended  September
30, 2002

Sales increased by approximately $0.3 million during the quarter ended September
30, 2003 compared to the quarter ending September 30, 2002.

Gross  margin as a  percentage  of sales  decreased  to 38% during  the  current
quarter from 41% for the same quarter a year ago.

Operating  expenses  increased by 34% during the current period  compared to the
same period a year ago.

Interest expense increased by approximately  $200,000 during the current quarter
compared  to the  same  quarter  a year ago  primarily  due to the  issuance  of
warrants in conjunction with securing additional debt.



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                        Integrated Security Systems, Inc.
                  --------------------------------------------
                  (Name of Registrant as Specified in Charter)

has  caused  this  notification  to be signed on its  behalf by the  undersigned
hereunto duly authorized.

Date:  November 14, 2003                   By:  /s/ C. A. Rundell, Jr.
       -----------------                        --------------------------------
                                                Director, Chairman of the Board,
                                                and Chief Executive Officer







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