June 12, 2007

OAKBROOK TERRACE, Ill., and ZURICH, Switzerland, June 12 , 2007 - VASCO Data Security International, Inc. (Nasdaq: VDSI) (www.vasco.com), the leading software security company specializing in authentication products, today announced that it has strengthened its Digipass product line with Digipass 840 Comfort Voice (CV). This “speaking” Digipass card reader is especially designed for blind and visually impaired Internet users. The product is immediately available.

VASCO’s mission is to be the Full Option, All-Terrain Authentication company. This means that strong authentication has to be available for everyone. The launch of Digipass 840 Comfort Voice fits perfectly with this logic, as did the launch of Digipass 300 Comfort Voice in 2006. A person with reduced eyesight will now be able to have the same high level of Digipass security as other e-bank account holders or e-commerce users. All Digipass client authentication products are supported by one and unique core authentication engine, VACMAN Controller. This means that companies can choose which type of client authentication device they offer to their different user/customer segments.

Digipass 840 Comfort Voice Features:
- speech based user interface;
- speech based feedback of entered data and selected functions;
- e-signature and one-time password functionality, converted into voice;
- use of built-in speaker or headset;
- large display and keypad, with oversized tactile keys;
- supports Digipass standard, EMV-CAP, VISA dynamic password authentication 1.1, German Smart TAN, Belgian eID Card

“Accessibility is one of the most important success factors for any e-commerce application,” said Jan Valcke, VASCO’s President and COO. “Unfortunately, few technology vendors have an eye for the needs of visually impaired consumers. As a consequence, this user segment doesn’t reach the e-commerce vendors’ offering. By offering speech enabled Digipass client authentication products, VASCO makes e-banking and e-commerce accessible for the blind and visually impaired. Worldwide, over 20 leading banks already offer speech enabled Digipasses to a part of their customer base.”

You can find an image at www.vasco.com/digipass-840

About VASCO: VASCO is the number one supplier of strong authentication and e-signature solutions and services. VASCO has established itself as the world’s leading software company specialized in Internet Security, with a customer base of over 4,800 companies in more than 100 countries, including close to 750 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,” 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:
Jochem Binst, +32 2 609 97 40, [email protected]