For Immediate Release

SEA GIRT, N.J./EWORLDWIRE/Aug. 4, 2005 --- CGM Applied Security Technologies, a subsidiary of Digital Descriptor Systems, Inc. (DDSI.PK), an industry leader that develops products for Homeland Security, including supply chain and criminal justice markets, will be participating in the USMMA Global Maritime and Transportation School Seminar on August 15 through August 17.

Robert Frucci, Director for Business Development of CGM AST, will be discussing the security issues related to containerization. CGM AST is a manufacturer of security products that seal and lock cargo, sea containers and trailers while they are unattended in the supply chain. Control of unattended assets is of paramount importance in moving any company's products or in any country's infrastructure Homeland Security plan.

"We are pleased to be invited to participate in these important seminars and conferences to share our expertise in security issues in the supply chain and transportation markets," said Tony Shupin, CEO of DDSI.

This seminar will be attended by Congressional Staff members and DOT, U.S. Maritime Administration (MARAD), DOD and Government Affairs personnel. The main focus of this seminar is to highlight the importance of the maritime industry and its impact on the national economy. "Secure ports and supply chains are critical to ensure the stability of our economy, security and growth. We are thankful for the opportunity to be involved with this seminar and to contribute to the future success of Global Marine and Transportation School (GMATS) and the Maritime Industry," said Bob Frucci of CGM AST.

About Digital Descriptor Systems, Inc.

DDSI develops and markets integrated enterprise-wide image applications designed especially for criminal justice organizations. The company's customers include states, cities, counties, corrections, justice and public safety agencies. Digital Descriptor Systems, Inc. is headquartered in Sea Girt, N.J. Visit ddsi-cpc.com for more information.

About CGM Applied Security Technologies, Inc.

CGM is a leading manufacturer and distributor of Homeland Security products including indicative and barrier security seals, security tapes and related packaging security systems, protective security products for palletized cargo, physical security systems for tractors, trailers and containers as well as a number of highly specialized authentication products. A complete description of the anti-theft and tamper-evident products can be found at cgmsecuritysolutions.com.

Safe Harbor Statement

Under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding DDSI's business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. Please invest wisely. DDSI invites the public to examine its 2004 10K and 8K filings for more information regarding the company.

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CONTACT:
Anthony Shupin
DDSI
2150 Highway 35
Suite 250
Sea Girt, NJ 08750
PHONE. 732-359-0260
FAX. 732-359-0265
EMAIL: tony.shupin@ddsi-cpc.com
http://www.ddsi-cpc.com

WEBSITES: http://www.ddsi-cpc.com, http://www.cgm-ast.com, http://www.cgmsecuritysolutions.com

SOURCE: DDSI