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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 YxFNxX4iIv3gSJm8APWCqg==

<SEC-DOCUMENT>0001005477-08-005260.txt : 20080808
<SEC-HEADER>0001005477-08-005260.hdr.sgml : 20080808
<ACCEPTANCE-DATETIME>20080808152750
ACCESSION NUMBER:		0001005477-08-005260
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080718
FILED AS OF DATE:		20080808
DATE AS OF CHANGE:		20080808

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTEGRATED SECURITY SYSTEMS INC
		CENTRAL INDEX KEY:			0000741114
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMUNICATIONS EQUIPMENT, NEC [3669]
		IRS NUMBER:				752422983
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		8200 SPRINGWOOD DR STE 230
		CITY:			IRVING
		STATE:			TX
		ZIP:			75063
		BUSINESS PHONE:		9724448280

	MAIL ADDRESS:	
		STREET 1:		8200 SPRINGWOOD DR SUITE 230
		CITY:			IRVING
		STATE:			TX
		ZIP:			75063

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RENAISSANCE CAPITAL GROWTH & INCOME FUND III INC
		CENTRAL INDEX KEY:			0000919567
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11900
		FILM NUMBER:		081002296

	BUSINESS ADDRESS:	
		STREET 1:		8080 N CENTRAL EXPRWY
		STREET 2:		STE 210 LB59
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75206
		BUSINESS PHONE:		2148918294

	MAIL ADDRESS:	
		STREET 1:		8080 N CENTRAL EXPWY., SUITE 210 LB 59
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75206
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar123.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-07-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000741114</issuerCik>
        <issuerName>INTEGRATED SECURITY SYSTEMS INC</issuerName>
        <issuerTradingSymbol>IZZI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000919567</rptOwnerCik>
            <rptOwnerName>RENAISSANCE CAPITAL GROWTH &amp; INCOME FUND III INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RENN CAPITAL GROUP</rptOwnerStreet1>
            <rptOwnerStreet2>8080 N. CENTRAL EXPRESSWAY, SUITE 210</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75206</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-07-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3626508</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>129199.87</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>37725146</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares paid in kind for monthly interest for December 2007 to June 2008: 101,627 shares @ $0.058; 453,343 shares @ $0.058; 123,858 @ $0.048;120,578 shares @ $0.46; 139,069 shares @ $0.043; 723,160 shares @ $0.043; 147,524 shares @ $0.039; 240,210 shares @ $0.025; 247,459 shares @ $0.023; 1,329,680 shares @ $ 0.023</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Russell Cleveland</signatureName>
        <signatureDate>2008-08-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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