Consent of Independent Auditors (Ernst & Young) for Incorporation by Reference in Registration Statements – Vasco Data Security International, Inc.

Summary

This document is a consent from Ernst & Young, the independent auditors, allowing Vasco Data Security International, Inc. to include their audit report on Identikey Limited's financial statements in certain SEC registration statements. The consent is necessary for legal compliance when referencing audited financials in public filings. The consent is dated June 7, 2001, and applies to specific registration statements (Form S-3 and Form S-8) filed by Vasco Data Security International, Inc.

EX-2.3 2 c63263a1ex2-3.txt CONSENT OF ERNST & YOUNG 1 EXHIBIT 2.3 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statements (Form S-3 No. 333-46256 and Form S-8 No. 333-62829) of Vasco Data Security International, Inc. of our report dated December 18, 2000, with respect to the consolidated financial statements of Identikey Limited included in this Form 8-K, dated June 11, 2001, of Vasco Data Security International, Inc. /s/ Ernst & Young Brisbane, Australia June 7, 2001