    <SEC-DOCUMENT>0001683168-23-006089-index.html : 20230828
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    <ACCEPTANCE-DATETIME>20230825211819
    ACCESSION NUMBER:		0001683168-23-006089
    CONFORMED SUBMISSION TYPE:	FWP
    PUBLIC DOCUMENT COUNT:		23
    FILED AS OF DATE:		20230828
    DATE AS OF CHANGE:		20230825

    SUBJECT COMPANY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			INTRUSION INC
    		CENTRAL INDEX KEY:			0000736012
    		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER COMMUNICATIONS EQUIPMENT [3576]
    		IRS NUMBER:				751911917
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		FWP
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	333-273930
    		FILM NUMBER:		231209907

    	BUSINESS ADDRESS:
    		STREET 1:		101 EAST PARK BLVD, SUITE 1200
    		CITY:			PLANO
    		STATE:			TX
    		ZIP:			75074
    		BUSINESS PHONE:		9722346400

    	MAIL ADDRESS:
    		STREET 1:		101 EAST PARK BLVD, SUITE 1200
    		CITY:			PLANO
    		STATE:			TX
    		ZIP:			75074

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	INTRUSION COM INC
    		DATE OF NAME CHANGE:	20000601

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ODS NETWORKS INC
    		DATE OF NAME CHANGE:	19970507

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OPTICAL DATA SYSTEMS INC
    		DATE OF NAME CHANGE:	19950517

    FILED BY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			INTRUSION INC
    		CENTRAL INDEX KEY:			0000736012
    		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER COMMUNICATIONS EQUIPMENT [3576]
    		IRS NUMBER:				751911917
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		FWP

    	BUSINESS ADDRESS:
    		STREET 1:		101 EAST PARK BLVD, SUITE 1200
    		CITY:			PLANO
    		STATE:			TX
    		ZIP:			75074
    		BUSINESS PHONE:		9722346400

    	MAIL ADDRESS:
    		STREET 1:		101 EAST PARK BLVD, SUITE 1200
    		CITY:			PLANO
    		STATE:			TX
    		ZIP:			75074

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	INTRUSION COM INC
    		DATE OF NAME CHANGE:	20000601

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ODS NETWORKS INC
    		DATE OF NAME CHANGE:	19970507

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OPTICAL DATA SYSTEMS INC
    		DATE OF NAME CHANGE:	19950517
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>FWP
    <SEQUENCE>1
    <FILENAME>intrusion_fwp.htm
    <DESCRIPTION>FREE WRITING PROSPECTUSES
    <TEXT>
    Document 1 - file: intrusion_fwp.htm

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    <SEQUENCE>2
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: image_025.jpg

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    Document 3 - file: image_026.jpg

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    <SEQUENCE>4
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    Document 4 - file: image_027.jpg

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    Document 5 - file: image_028.jpg

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    Document 6 - file: image_029.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 7 - file: image_030.jpg

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    <SEQUENCE>8
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    Document 8 - file: image_031.jpg

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    Document 9 - file: image_032.jpg

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    Document 10 - file: image_033.jpg

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    Document 11 - file: image_034.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 12 - file: image_035.jpg

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    <SEQUENCE>13
    <FILENAME>image_036.jpg
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    Document 13 - file: image_036.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 14 - file: image_037.jpg

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    Document 15 - file: image_038.jpg

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    Document 16 - file: image_039.jpg

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    Document 17 - file: image_040.jpg

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    Document 18 - file: image_042.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 19 - file: image_043.jpg

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    Document 22 - file: image_046.jpg

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    <SEQUENCE>23
    <FILENAME>image_047.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: image_047.jpg

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