NW_20061005_en_VASCO to be Prominently Present at Sibos 2006

October 5, 2006

OAKBROOK TERRACE, Ill., and BRUSSELS, Belgium, - October 5, 2006 - VASCO Data Security International, Inc. (www.vasco.com) (Nasdaq: VDSI), the global number one vendor of strong user authentication and e-signature products, today announced that it will be prominently present at Sibos 2006, the world's premier financial services event. SIBOS takes place from October 9-13 in the Sydney Convention and Exhibition Centre, Sydney Australia. Visit VASCO at booth A17.

At Sibos 2006, VASCO will put its entire Digipass client authentication product family in the spotlight, as well as its core authentication product VACMAN Controller and its recently announced Fraud Detection and Analysis offerings. VACMAN Controller supports the entire range of VASCO’s Digipass client authentication products. Fraud Detection and Analysis stand for the pre-phase of authentication, scouting the terrain plus charting and neutralizing threats.
At the client side, VASCO’s offers over 40 soft- and hardware Digipass client authentication products, such as Digipass for Web, Digipass for Java Phone and the entire range of VASCO’s extremely popular hardware authenticators. Read more about VASCO’s offerings at www.vasco.com/products

“By displaying its entire product range at SIBOS, VASCO proves once again that it is the full option, all-terrain authentication company,” said Jan Valcke, VASCO’s President and COO. “Based on one unique authentication platform, VACMAN Controller, VASCO offers an extensive range of hard- and software Digipass product. That way, financial institutions worldwide can fine tune their security and Total Cost of Ownership approach by offering suitable authentication products to different customer segments.”

About VASCO: VASCO designs, develops, markets and supports patented user authentication products for the financial world, remote access, e-business and e-commerce. VASCO’s user authentication software is delivered via its Digipass hardware and software security products. With over 25 million Digipass products sold and delivered, VASCO has established itself as a world-leader for strong User Authentication with over 500 international financial institutions and approx. 3,000 blue-chip corporations and governments located in more than 100 countries.

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 9740, jbinst[at]vasco.com