OAKBROOK TERRACE, Ill. -- VASCO Data Security International, Inc. (www.Vasco.com ) (Nasdaq: VDSI), the global number one vendor of strong user authentication and e- signature products, today launched VACMAN Middleware 3.0, the authentication server backbone of its Enterprise Security products.

As the Full Option, All-Terrain Authentication Company, it is Vasco's mission to make its products available for any type of company or institution. VACMAN Middleware 3.0 fits perfectly in this strategy. Vasco's server-side authentication product is aimed at any enterprise or institution, from the smallest SME (Small & Medium Sized Enterprise) to the largest Fortune 500- company. The ease of implementation and management are important assets of VACMAN Middleware, making it a truly hassle-free authentication engine.

Important features of VACMAN Middleware are:

"With VACMAN Middleware 3.0 we strengthen our authentication offerings for the Enterprise Security sector," said Jan Valcke, Vasco's President and COO. "We expect that VACMAN Middleware will make us even more successful in that important market segment."

VACMAN Middleware will be immediately available via Vasco's global indirect sales network of distributors and resellers.

Vasco Data Security International Inc.