<SEC-DOCUMENT>0001193125-17-137010-index.html : 20170425
<SEC-HEADER>0001193125-17-137010.hdr.sgml : 20170425
<ACCEPTANCE-DATETIME>20170425172606
ACCESSION NUMBER:		0001193125-17-137010
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		9
CONFORMED PERIOD OF REPORT:	20170614
FILED AS OF DATE:		20170425
DATE AS OF CHANGE:		20170425
EFFECTIVENESS DATE:		20170425

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VASCO DATA SECURITY INTERNATIONAL INC
		CENTRAL INDEX KEY:			0001044777
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				364169320
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24389
		FILM NUMBER:		17782009

	BUSINESS ADDRESS:	
		STREET 1:		1901 SOUTH MYERS ROAD
		STREET 2:		SUITE 210
		CITY:			OAKBROOK TERRACE
		STATE:			IL
		ZIP:			60181
		BUSINESS PHONE:		6309328844

	MAIL ADDRESS:	
		STREET 1:		1919 S HIGHLAND AVE
		STREET 2:		STE 118 C
		CITY:			LOMBARD
		STATE:			IL
		ZIP:			60148
</SEC-HEADER>
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<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>d240533ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d240533ddef14a.htm

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<SEQUENCE>2
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g240533g06d37.jpg

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<TYPE>GRAPHIC
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<FILENAME>g240533g12k51.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g240533g12k51.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g240533g22s63.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g240533g22s63.jpg

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g240533g60c49.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g240533g60c49.jpg

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<SEQUENCE>6
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g240533g67e03.jpg

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<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g240533g86t42.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g240533g86t42.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g240533img5.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g240533img5.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g240533img6.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g240533img6.jpg

</DOCUMENT>
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