news_VASCO DIGIPASS for Mobile available for DOCOMO i-mode

Oakbrook Terrace, Illinois, Zurich, Switzerland, April 27, 2009 - VASCO Data Security Inc. (Nasdaq: VDSI; www.vasco.com ), a leading software security company specializing in authentication products today announced that DIGIPASS® for Mobile is available to DOCOMO i-mode users as an i-αppli application. NTT DOCOMO is Japan's leading provider of mobile voice, data and multimedia services. With the development of DIGIPASS for Mobile for i-mode, VASCO’s mobile solutions now cover all of the major mobile carriers of Japan.

DIGIPASS for Mobile is VASCO’s authentication solution leverages the internet enabled mobile telephone for authentication purposes. DIGIPASS for Mobile can be used for two factor authentication and digital signature for m-banking, e-banking, and e-commerce. The two factor authentication can also be used for enterprise security applications.

DIGIPASS for Mobile is also available for au by KDDI, and SOFTBANK MOBILE Corp. handsets as a Java application. Other handsets that are supported include the BlackBerry and Windows Mobile platforms that are widely used by the mobile workforce.

DIGIPASS for Mobile largely focuses on the ease-of-use of the enhanced security for mobile applications. Two authentication applications are provided: a response only authentication application and a challenge/response or e-signature authentication application. Menus, messages, logos, colours, font can be fully adapted to the service provider’s branding, supporting the brand recognition for the end-user. The menus also contribute to the mobile experience offering additional services such as ATM/branch locator, information services etc.

DIGIPASS for Mobile also is available as a software development kit (DIGIPASS® API) for service providers and mobile application developers wanting to integrate DIGIPASS One-Time Password and digital signature capability directly into mobile applications while maintaining the existing end user experience and back-end infrastructure.

DIGIPASS for Mobile is OATH and AES compliant and is based on proven VASCO VACMAN® Controller technology. DIGIPASS for Mobile supports over 400 different types of mobile devices.

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About VASCO
VASCO is a leading supplier of strong authentication and e-signature solutions and services specializing in Internet Security applications and transactions. VASCO has positioned itself as global software company for Internet Security serving a customer base of approximately 8,000 companies in more than 100 countries, including more than 1,200 international financial institutions. VASCO’s prime markets are the financial sector, enterprise security, e-commerce and e-government.

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,” “intended/meant,” 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.

This document may contain trademarks of VASCO Data Security International, Inc. and its subsidiaries, which include VASCO, the VASCO “V” design, DIGIPASS, VACMAN, aXs GUARD and IDENTIKEY.

For more information contact:
Jochem Binst, +32 2 609 97 00, [email protected]