EXHIBIT 99.1


                        INTEGRATED SECURITY SYSTEMS, INC.
                             ANNOUNCES NEW FINANCING

Irving,  Texas - August 5, 2005 - Integrated  Security  Systems,  Inc.  ("ISSI")
(OTCBB Symbol:  IZZI) today  announced a new financing  arrangement  with Laurus
Master Fund, Ltd. ("Laurus Funds").  This agreement  provides for refinancing of
the existing asset based line with higher availability coupled with a lower rate
and certain equity  provisions.  The loan facility,  initially with a $3 million
cap, is convertible into Integrated Security Systems, Inc. ("ISSI") common stock
at an 8.7% premium to market as of close. There are also warrants representing a
call on another approximately 1.7 million in ISSI common stock at higher prices.
Please refer to the Company's 8-K filing as of this date for full details.

"This unique  financing  facility makes Laurus Funds an equity partner and gives
them incentive to help us meet our growth objectives," said C. A. Rundell,  Jr.,
Chairman and CEO of ISSI.  "They seem not only  willing,  but anxious to provide
additional financing to meet our acquisition and corporate development goals."

About ISSI
Headquartered  in Irving,  Texas,  ISSI is a technology  company  that  provides
products and services for homeland security needs.  ISSI also designs,  develops
and markets safety equipment and security software to the commercial, industrial
and  governmental  marketplaces.  ISSI's  Intelli-Site(R)  provides users with a
software  solution that integrates  existing  subsystems  from multiple  vendors
without  incurring the additional costs associated with upgrades or replacement.
Intelli-Site(R) features a user-defined graphics interface that controls various
security devices within one or multiple  facilities.  ISSI is a leading provider
of anti-terrorist  barriers,  traffic control and safety systems within the road
and bridge and perimeter  security gate industries.  ISSI designs,  manufactures
and distributes warning gates, lane changers,  airport and navigational lighting
and  perimeter   security  gates  and  operators.   ISSI  conducts  its  design,
development,  manufacturing  and  distribution  activities  through three wholly
owned subsidiaries:  B&B ARMR, Intelli-Site,  Inc. and DoorTek Corporation.  For
more  information,  please  visit  www.integratedsecurity.com,   www.bb-armr.com
www.intelli-site.com, or www.doortek.com.

About Laurus
Laurus Master Fund, Ltd. Is a New York-based institutional fund that specializes
in direct investments in small cap companies.


This information contains certain forward-looking statements. It is important to
note that ISSI's actual results could differ  materially from those projected by
such  forward-looking  statements.  Important  factors  that could cause  actual
results  to  differ  materially  from  those  projected  in the  forward-looking
statements  include,  but are not limited to, the following:  operations may not
improve as  projected,  new products may not be accepted by the  marketplace  as
anticipated, or new products may take longer to develop than anticipated.