EXHIBIT 23.1

                          Independent Auditors' Consent
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The Board of Directors
VASCO Data Security International, Inc.:

We consent to the use of our report dated February 13, 2003, with respect to the
consolidated balance sheets of VASCO Data Security International, Inc. as of
December 31, 2002 and 2001, and the related consolidated statements of
operations, comprehensive loss, stockholders' equity (deficit), and cash flows
for each of the years in the three-year period ended December 31, 2002,
incorporated herein by reference and to the reference to our firm under the
heading "Experts" in the prospectus.

Our report refers to a change in the method of accounting for goodwill in 2002.

/s/ KPMG LLP
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    KPMG LLP


Chicago, Illinois
November 14, 2003