NW_20020924_en_VASCO Joins Liberty Alliance to Contribute to the Development of Open Network Standards for User Identification

September 24, 2002

OAKBROOK TERRACE, Illinois and BRUSSELS, Belgium – September 24, 2002 – VASCO (Nasdaq NM & Nasdaq Europe: VDSI; www.vasco.com), a global provider of enterprise-wide security products that support e-business and e-commerce, today announced that it has joined the Liberty Alliance (www.projectliberty.org ), an alliance of more than 95 technology and consumer organizations formed to develop and deploy open, federated network identification specifications that support all current and emerging network devices in the digital economy.

Liberty Alliance’s growing member base now represents more than 95 for-profit, not-for-profit, and government organizations from around the globe. Members like VASCO add depth of knowledge and experience to the collective goals and expertise of the Alliance.

“VASCO sees it as part of its mission to help creating open network standards for user identification, our core business” says Mario Houthooft, President & CEO of VASCO Data Security. “We are determined to contribute substantially to the achievement of the Alliances goals and to bring secure use of any existing and emerging network devices at the disposal of any end user.”

About VASCO
VASCO secures the enterprise from the mainframe to the Internet with infrastructure solutions that enable secure e-business and e-commerce, protect sensitive information, and safeguard the identity of users. The Company's family of Digipass® and VACMAN® products offers end-to-end security through strong authentication, digital signature, network Single Sign-On, and Radius, LAN and Web security, while sharply reducing the time and effort required to deploy and manage security. VASCO's customers include hundreds of financial institutions, blue-chip corporations, and government agencies in more than 50 countries. More information is available at www.vasco.com.

About the Liberty Alliance Project
The Liberty Alliance Project (www.projectliberty.org) is an alliance of more than 95 technology and consumer organizations formed to develop and deploy open, federated network identification specifications that support all current and emerging network devices in the digital economy. Federated identity will help drive the next generation of the Internet, offering businesses and consumers convenience and choice. Membership is open to all commercial and non-commercial organizations.

Forward Looking Statements
Statements made in this news release that relate to future plans, events or performances are forward-looking statements. Any statement containing words such as “believes,” “anticipates,” “plans,” “expects,” and similar words, is forward-looking, and these statements involve risks and uncertainties and are based on current expectations. Consequently, actual results could differ materially from the expectations expressed in these forward-looking statements.
Reference is made to the Company's public filings with the US Securities and Exchange Commission for further information regarding the Company and its operations.

For more information contact:
VASCO Data Security:
Jochem Binst:: +32 2 456 9810, [email protected] Investor Relations
Tony Schor, President, Investor Awareness, Inc.: 847-945-2222, [email protected]