For Immediate Release

SEA GIRT, N.J./EWORLDWIRE/Sep. 13, 2005 --- CGM Applied Security Technologies, a subsidiary of Digital Descriptor Systems, Inc. (DDSI) (Pink Sheets: DDSI), an industry leader that develops products for Homeland Security including Supply Chain and Criminal Justice markets, is participating in the ASIS International 51st Annual Convention being held in Orlando, Florida this week. General Colin L. Powell, USA (Ret.), former U.S. Secretary of State, participated as a keynote speaker in this show, considered to be the world's largest show dedicated to security.

"Our participation in this annual convention allows us to spotlight our security product line and our new and innovative security products to the best target audience. Solutions to the prevention of terrorist activities lay in simple and effective security measures, the foundation of many CGM products," commented Tony Shupin, CEO of DDSI. CGM 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.

About Digital Descriptor Systems, Inc. (http://www.ddsi-cpc.com)

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, New Jersey.

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 our anti-theft and tamper-evident products can be found on the web at www.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 examination of 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