-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 SGiau1MRYdEgT3/uRmU0D16GzHvoLYCa77+DnbhMrJn/VgwG7iSz4SHIUwdHM5nS
 gUDslX5zu1C9LtqOlq1W7A==

<SEC-DOCUMENT>0000919567-03-000050.txt : 20030604
<SEC-HEADER>0000919567-03-000050.hdr.sgml : 20030604
<ACCEPTANCE-DATETIME>20030604133234
ACCESSION NUMBER:		0000919567-03-000050
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030530
FILED AS OF DATE:		20030604

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CLEVELAND RUSSELL
		CENTRAL INDEX KEY:			0001132090

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11900
		FILM NUMBER:		03732081

	BUSINESS ADDRESS:	
		STREET 1:		8080 N CENTRAL EXPWY
		STREET 2:		STE 210 LB 59
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75206

	MAIL ADDRESS:	
		STREET 1:		8080 N CENTRAL EXPWY
		STREET 2:		STE 210 LB 59
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75206

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rc4-5302003_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<!-- - EDGAR Ease Plus 1.0                                   04/22/03  TZ    -->
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2003-05-30</periodOfReport>
    <issuer>
        <issuerCik>0000741114</issuerCik>
        <issuerName>INTEGRATED SECURITY SYSTEMS INC</issuerName>
        <issuerTradingSymbol>IZZI</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
      <reportingOwnerId>
            <rptOwnerCik>0001132090</rptOwnerCik>
            <rptOwnerName>CLEVELAND RUSSELL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
         <isDirector>1</isDirector>
         <isOfficer>0</isOfficer>
         <isTenPercentOwner>0</isTenPercentOwner>
         <isOther>0</isOther>
       </reportingOwnerRelationship>
   </reportingOwner>
   <derivativeSecurity>
      <securityTitle>
         <value>Warrants</value>
            <footnoteId id="F1"/>
            <footnoteId id="F2"/>
            <footnoteId id="F3"/>
            <footnoteId id="F4"/>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>0.20</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2003-05-30</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>J</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>1000000</value>
         </transactionShares>
         <transactionValue>
           <value>0</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>2003-05-30</value>
      </exerciseDate>
      <expirationDate>
         <value>2008-05-30</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>1000000</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>1000000</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>I</value>
         </directOrIndirectOwnership>
         <natureOfOwnership>
           <value>Securities owned by BFS US Special Opportunities Trust PLC</value>
         </natureOfOwnership>
      </ownershipNature>
   </derivativeSecurity>
   <derivativeSecurity>
      <securityTitle>
         <value>Warrants</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>0.20</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2003-05-30</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>J</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>1000000</value>
         </transactionShares>
         <transactionValue>
           <value>0</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>2003-05-30</value>
      </exerciseDate>
      <expirationDate>
         <value>2008-05-30</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>1000000</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>1000000</value>
            <footnoteId id="F3"/>
            <footnoteId id="F4"/>
            <footnoteId id="F5"/>
            <footnoteId id="F6"/>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>I</value>
         </directOrIndirectOwnership>
         <natureOfOwnership>
           <value>Securities owned by Renaissance US Growth Investment Trust PLC</value>
         </natureOfOwnership>
      </ownershipNature>
   </derivativeSecurity>
   <footnotes>
<footnote id="F1"> Securities beneficially owned by BFS US Special Opportunities Group.</footnote>

<footnote id="F2"> Filer is President and CEO of RENN Capital Group, Inc., Investment Adviser to BFS US.</footnote>

<footnote id="F3"> RENN Capital Group, Inc., is Investment Manager to Renaissance US Growth Investment Trust PLC and Investment Adviser to Renaissance Capital Growth &amp; Income Fund III, Inc.,  and to BFS US Special Opportunities Trust PLC, all of which own securities of IZZI.</footnote>

<footnote id="F4"> The Filer disclaims ownership of these securities.</footnote>

<footnote id="F5"> Securities beneficially owned by Renaissance US Growth Investment Trust PLC (&quot;RUSGIT&quot;).</footnote>

<footnote id="F6"> Filer is President and CEO of RENN Capital Group, Inc., Investment Manager to RUSGIT.</footnote>
   </footnotes>
   <ownerSignature>
      <signatureName>Russell Cleveland</signatureName>
      <signatureDate>2003-06-04</signatureDate>
   </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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