<SEC-DOCUMENT>0001683168-23-009000.txt : 20231220
<SEC-HEADER>0001683168-23-009000.hdr.sgml : 20231220
<ACCEPTANCE-DATETIME>20231220172143
ACCESSION NUMBER:		0001683168-23-009000
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20231220
DATE AS OF CHANGE:		20231220

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTRUSION INC
		CENTRAL INDEX KEY:			0000736012
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER COMMUNICATIONS EQUIPMENT [3576]
		ORGANIZATION NAME:           	06 Technology
		IRS NUMBER:				751911917
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-275974
		FILM NUMBER:		231502178

	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>S-1/A
<SEQUENCE>1
<FILENAME>intrusion_s1a1.htm
<DESCRIPTION>AMENDMENT #1 TO FORM S-1
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>As filed with the U.S. Securities and Exchange
Commission on December 20, 2023</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>Registration No. 333-275974 </B></P>

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 3pt; margin-bottom: 0pt; width: 100%"><DIV STYLE="font-size: 2pt; border-top: Black 3pt solid; border-bottom: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Washington, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"> <B>Amendment No. 1</B> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"> <B>to</B> </P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Form S-1</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>REGISTRATION STATEMENT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNDER THE SECURITIES ACT OF 1933</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>INTRUSION INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact name of registrant as specified in its charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-size: 10pt; text-align: center; width: 32%"><FONT STYLE="font-size: 10pt"><B>Delaware</B></FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center; width: 3%">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: center; width: 32%"><FONT STYLE="font-size: 10pt"><B>3576</B></FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center; width: 3%">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: center; width: 32%"><FONT STYLE="font-size: 10pt"><B>75-1911917</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(State or other jurisdiction</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">of incorporation or organization)</P></TD>
    <TD STYLE="font-size: 10pt; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Primary Standard Industrial</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Classification Code Number)</P></TD>
    <TD STYLE="font-size: 10pt; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(I.R.S. Employer</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Identification Number)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>101 East Park Blvd, Suite 1200</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Plano, Texas 75074</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Telephone: (972) 234-6400<BR>
</B>(Address, including zip code, and telephone number, including area code, of registrant&rsquo;s principal executive offices)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Anthony Scott</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Chief Executive Officer</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Intrusion Inc.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>101 East Park Blvd, Suite 1200</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Plano, Texas 75074</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Telephone: (972) 234-6400</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name, address, including zip code, and telephone
number, including area code, of agent for service)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B><I>Copies to:</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><B>Laura Anthony, Esq.</B> <B></B></P>

<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><B>Craig D. Linder, Esq.</B> <B></B></P>

<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><B>Anthony L.G., PLLC</B> <B></B></P>

<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><B>1700 Palm Beach Lakes Blvd., Suite 820</B> <B></B></P>

<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><B>West Palm Beach, Florida 33401</B> <B></B></P>

<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><B>Telephone: (561) 514-0936</B> </P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Approximate date of commencement of proposed sale
to the public: <B>As soon as practicable after the effective date of this registration statement.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">If any of the securities being registered on this
Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933 check the following box.
<FONT STYLE="font-family: Times New Roman, Times, Serif">&#9746;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">If this Form is filed to register additional securities
for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration
statement number of the earlier effective registration statement for the same offering. <FONT STYLE="font-family: Times New Roman, Times, Serif">&#9744;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">If this Form is a post-effective amendment filed
pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of
the earlier effective registration statement for the same offering. <FONT STYLE="font-family: Times New Roman, Times, Serif">&#9744;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">If this Form is a post-effective amendment filed
pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of
the earlier effective registration statement for the same offering. <FONT STYLE="font-family: Times New Roman, Times, Serif">&#9744;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Indicate by check mark whether the registrant
is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.
See the definitions of &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer,&rdquo; &ldquo;smaller reporting company&rdquo;
and &ldquo;emerging growth company&rdquo; in Rule 12b-2 of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Large accelerated filer <FONT STYLE="font-family: Times New Roman, Times, Serif">&#9744;</FONT></FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Accelerated filer <FONT STYLE="font-family: Times New Roman, Times, Serif">&#9744;</FONT></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Non-accelerated filer <FONT STYLE="font-family: Times New Roman, Times, Serif">&#9746;</FONT></FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Smaller reporting company <FONT STYLE="font-family: Times New Roman, Times, Serif">&#9746;</FONT></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Emerging growth company <FONT STYLE="font-family: Times New Roman, Times, Serif">&#9744;</FONT></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">If an emerging growth company, indicate by check
market if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting
standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. <FONT STYLE="font-family: Times New Roman, Times, Serif">&#9744;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><B>The registrant hereby amends this registration
statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which
specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities
Act of 1933 or until the registration statement shall become effective on such date as the Commission, acting pursuant to Section 8(a)
may determine.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: white"> <B>EXPLANATORY NOTE</B> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"> &nbsp; </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"> Intrusion Inc. is filing this Amendment No.
1 to its registration statement on Form S-1 (File No. 333-275974) (the &ldquo;Registration Statement&rdquo;) as an exhibits-only filing.
Accordingly, this amendment consists only of the facing note, this explanatory note, Item 16(a) of Part II of the Registration Statement,
the signature page to the Registration Statement and the filed exhibits. The remainder of this Registration Statement is unchanged and
has therefore been omitted. </P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PART II</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 15%"><FONT STYLE="font-size: 10pt"><B>Item 16.</B></FONT></TD>
    <TD STYLE="width: 85%"><FONT STYLE="font-size: 10pt"><B>Exhibits and Financial Statement Schedules</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in">&nbsp;</TD>
    <TD STYLE="width: 0.25in"><FONT STYLE="font-size: 10pt">(a)</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt"><I>Exhibits. </I>The list of exhibits preceding the signature page of this registration statement is incorporated herein by reference.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in">&nbsp;</TD>
    <TD STYLE="width: 0.25in"><FONT STYLE="font-size: 10pt">(b)</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt"><I>Consolidated Financial Statement Schedules. </I>All schedules are omitted because the required information is inapplicable, or the information is presented in the financial statements and the related notes.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B></B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>EXHIBIT INDEX</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="width: 8%; border-bottom: black 1pt solid; vertical-align: top"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Exhibit</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>No.</B></P></TD>
    <TD STYLE="width: 2%; vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="width: 90%; border-bottom: black 1pt solid; vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><B>Exhibit
    Description</B></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">3.1</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000110465910033915/a10-12017_1ex3d1.htm"><FONT STYLE="font-size: 10pt">Restated
    Certificate of Incorporation of the Company</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s
    Current Report on Form 8-K dated June 15, 2010, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">3.2</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000091205702010643/a2072855zex-3_1.txt">Certificate
    of Amendment to Certificate of Incorporation of the Company</A> (Filed as an Exhibit to the Registrant&rsquo;s Annual Report on Form
    10-K for the fiscal year ended December 31, 2001 (as amended), which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">3.3</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000091205701007849/a2040873zex-3_2.txt"><FONT STYLE="font-size: 10pt">Bylaws
    of the Company</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s Annual Report on Form 10-K,
    for the fiscal year ended December 31, 2000, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">3.4</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/736012/000168316823006874/intrusion_ex0301.htm">Amended and Restated Bylaws of the Company</A>
    (Filed as Exhibit 3.1 to the Registrant&rsquo;s Current Report on Form 8-K filed on October 2, 2023, which Exhibit is incorporated
    herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.1</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000110465904008540/a04-3802_1ex4d1.htm">Specimen
    Common Stock Certificate</A> (Filed as an Exhibit to the Registrant&rsquo;s Annual Report on Form 10-K for the fiscal year ended
    December 31, 2003 (as amended), which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.2</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316822001761/intz_ex0402.htm"><FONT STYLE="font-size: 10pt">Description
    of the Capital Stock of the Company</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s Annual
    Report on Form 10-K, for the fiscal year ended December 31, 2021, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.3</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316822001582/intrusion_ex0401.htm">Form
    of Convertible Promissory Note #1 Issued Under the Securities Purchase Agreement dated March 10, 2022, by and between the Registrant
    and Streeterville Capital, LLC</A> (Filed as an Exhibit to the Registrant&rsquo;s Current Report on Form 8-K filed on March 10, 2022,
    which Exhibit is incorporated by reference herein).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.4</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316822001582/intrusion_ex0402.htm">Form
    of Convertible Promissory Note #2 Issued Under the Securities Purchase Agreement dated March 10, 2022, by and between the Registrant
    and Streeterville Capital, LLC</A> (Filed as an Exhibit to the Registrant&rsquo;s Current Report on Form 8-K filed on March 10, 2022,
    which Exhibit is incorporated by reference herein).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.5</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316822006313/intrusion_ex0401.htm"><FONT STYLE="font-size: 10pt">Form
    of Warrant Issued under that Securities Purchase Agreement between the Registrant and the Purchaser identified on the signature pages
    thereto, dated September 12, 2022</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s Current
    Report on Form 8-K filed on September 12, 2022, which Exhibit is incorporated by reference herein).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.6</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="https://www.sec.gov/Archives/edgar/data/736012/000168316823007754/intrusion_ex0401.htm"><FONT STYLE="font-size: 10pt">Form of Common Stock Purchase Warrant</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as Exhibit 4.1 to the Registrant&rsquo;s Current
    Report on Form 8-K filed on November 9, 2023, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.7</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="https://www.sec.gov/Archives/edgar/data/736012/000168316823006081/intrusion_ex0409.htm"><FONT STYLE="font-size: 10pt">Form
    of Placement Agent Warrant</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as Exhibit 4.2 to the Registrant&rsquo;s Current Report
    on Form 8-K filed on November 9, 2023, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">5.1</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823008743/intrusion_ex0501.htm">Opinion of Anthony L.G., PLLC</A></FONT> (Filed as Exhibit 5.1 to the Registrant&rsquo;s Registration Statement on Form S-1 filed on
    December 11, 2023, which Exhibit is incorporated herein by reference).</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.1</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316822001582/intrusion_ex1001.htm"><FONT STYLE="font-size: 10pt">Securities
    Purchase Agreement dated March 10, 2022, by and Between the Registrant and Streeterville Capital, LLC</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit to the Registrant&rsquo;s Current Report on Form 8-K filed on March 10, 2022, which Exhibit is incorporated by reference
    herein).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.2</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823000198/intrusion_ex1001.htm"><FONT STYLE="font-size: 10pt">Amendment
    dated January 11, 2023, to the Securities Purchase Agreement dated March 10, 2022, by and between the Registrant and Streeterville
    Capital, LLC.</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit 10.1 to the Registrant&rsquo;s Current Report on Form
    8-K filed on January 17, 2023).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.3</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316822006313/intrusion_ex1001.htm"><FONT STYLE="font-size: 10pt">Securities
    Purchase Agreement between the Registrant and the Purchasers identified on the signature pages thereto, dated September 12, 2022</FONT></A>
    <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s Current Report on Form 8-K filed on September 12, 2022,
    which Exhibit is incorporated by reference herein).</FONT></TD></TR>

<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.4</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823001221/intrusion_ex1001.htm"><FONT STYLE="font-size: 10pt">Note
    Purchase Agreement dated February 23, 2023, by and between the Company and Streeterville Capital, LLC</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit 10.1 to Registrant&rsquo;s Current Report on Form 8-K on March 1, 2023).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.5</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316821000836/intrusion_ex1003.htm"><FONT STYLE="font-size: 10pt">Sublease
    Agreement between the Registrant and CliftonLarsonAllen LLP dated September 28, 2020</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit to the Registrant&rsquo;s Annual Report on Form 10-K, for the fiscal year ended December 31, 2020, which Exhibit is
    incorporated herein by reference).</FONT></TD></TR>
</TABLE>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0"></P>

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<P STYLE="margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: top; width: 8%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 2%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 90%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.6</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316821000836/intrusion_ex1004.htm"><FONT STYLE="font-size: 10pt">Lease
    between the Registrant and JBA Portfolio, LLC, executed as of February 3, 2021</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as
    an Exhibit to the Registrant&rsquo;s Annual Report on Form 10-K, for the fiscal year ended December 31, 2020, which Exhibit is incorporated
    herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.7&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000091205701007849/a2040873zex-10_13.txt"><FONT STYLE="font-size: 10pt">Amended
    and Restated 401(k) Savings Plan of the Registrant</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s
    Annual Report on Form 10-K, for the fiscal year ended December 31, 2000, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.8&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000091205702018253/a2078572zex-10_2.txt"><FONT STYLE="font-size: 10pt">Intrusion
    Inc. 401(k) Savings Plan Summary of Material Modifications</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s
    Quarterly Report on Form 10-Q for the quarter ended March 31, 2002, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.9&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000110465905028301/a05-10716_1ex10d1.htm"><FONT STYLE="font-size: 10pt">Amended
    2005 Stock Incentive Plan of the Registrant</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s
    Current Report on Form 8-K dated June 15, 2005, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.10&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000110465915023446/a15-1713_1def14a.htm"><FONT STYLE="font-size: 10pt">2015
    Stock Incentive Plan of the Registrant</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s Definitive
    Proxy Statement on Schedule 14A in connection with the solicitation of proxies for its Annual Meeting of Stockholders held May 14,
    2015, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.11&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000143774919005894/ex_138590.htm"><FONT STYLE="font-size: 10pt">Form
    of Notice of Grant of Stock Option</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s Annual
    Report on Form 10-K for the fiscal year ended December 31, 2018 (as amended), which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.12&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000143774919005894/ex_138580.htm"><FONT STYLE="font-size: 10pt">Form
    of Stock Option Agreement</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s Annual Report on
    Form 10-K for the fiscal year ended December 31, 2018 (as amended), which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.13&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000143774919005894/ex_138581.htm"><FONT STYLE="font-size: 10pt">Form
    of Notice of Grant of Non-Employee Director Automatic Stock Option (Initial Grant)</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit to the Registrant&rsquo;s Annual Report on Form 10-K for the fiscal year ended December 31, 2018 (as amended), which
    Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.14&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000143774919005894/ex_138582.htm"><FONT STYLE="font-size: 10pt">Form
    of Notice of Grant of Non-Employee Director Automatic Stock Option (Annual Grant)</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit to the Registrant&rsquo;s Annual Report on Form 10-K for the fiscal year ended December 31, 2018 (as amended), which
    Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.15&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000143774919005894/ex_138570.htm"><FONT STYLE="font-size: 10pt">Form
    of Automatic Stock Option Agreement</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s Annual
    Report on Form 10-K for the fiscal year ended December 31, 2018 (as amended), which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.16&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823003631/intrusion_ex1001.htm"><FONT STYLE="font-size: 10pt">Intrusion
    Inc. Amended 2021 Omnibus Incentive Plan</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s Current
    Report on Form 8-K filed on May 22, 2023, which Exhibit is incorporated by reference herein).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.17&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316821005474/intrusion_ex1002.htm"><FONT STYLE="font-size: 10pt">Form
    of Incentive Stock Option Award Agreement to the Intrusion Inc. 2021 Omnibus Incentive Plan</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit to the Registrant&rsquo;s Quarterly Report on Form 10-Q filed on November 12, 2021, which Exhibit is incorporated by
    reference herein).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.18&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823002002/intrusion_ex1018.htm"><FONT STYLE="font-size: 10pt">Form
    of Restricted Stock Award Agreement to the Intrusion Inc. 2021 Omnibus Incentive Plan</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit to the Registrant&rsquo;s Annual Report on Form 10-K, for the fiscal year ended December 31, 2022, which Exhibit is
    incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.19&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823002002/intrusion_ex1019.htm"><FONT STYLE="font-size: 10pt">Form
    of Non-Qualified Stock Option Agreement to the Intrusion Inc. 2021 Omnibus Incentive Plan</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit to the Registrant&rsquo;s Annual Report on Form 10-K, for the fiscal year ended December 31, 2022, which Exhibit is
    incorporated herein by reference)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.20</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316821003290/intz_ex0102.htm"><FONT STYLE="font-size: 10pt">Sales
    Agreement, dated August 5, 2021, between the Registrant and B. Riley Securities, Inc.</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit to the Registrant&rsquo;s Registration Statement on Form S-3 filed on August 5, 2021, which Exhibit is incorporated
    by reference herein).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.21&dagger;</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316821005772/intrusion_ex9901.htm"><FONT STYLE="font-size: 10pt">Executive
    Employment Agreement between Intrusion Inc. and Anthony Scott, dated November 11, 2021</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit to the Registrant&rsquo;s Current Report on Form 8-K filed on November 17, 2021, which Exhibit is incorporated by reference
    herein).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.22</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823002407/intrusion_def14a.htm"><FONT STYLE="font-size: 10pt">2023
    Employee Stock Purchase Plan of the Registrant</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s
    Definitive Proxy Statement on Schedule 14A in connection with the solicitation of proxies for its Annual Meeting of Stockholders
    held May 16, 2023, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.23</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823002029/intrusion_ex9901.htm"><FONT STYLE="font-size: 10pt">First
    Amendment of Executive Employment Agreement between Intrusion Inc. and Anthony Scott, dated March 27, 2023</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as an Exhibit to the Registrant&rsquo;s Current Report on Form 8-K filed on March 31, 2023, which Exhibit is incorporated by reference
    herein).</FONT></TD></TR>
</TABLE>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0"></P>

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<P STYLE="margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: top; width: 8%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 2%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 90%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.24</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823005354/intrusion_1001.htm"><FONT STYLE="font-size: 10pt">Forbearance
    and Standstill Agreement, dated as of August 2, 2023, between Intrusion Inc. and Streeterville Capital, LLC</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as Exhibit 10.1 to the Registrant&rsquo;s Current Report on Form 8-K filed on August 7, 2023, which Exhibit is incorporated by reference
    herein).</FONT></TD></TR>

<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.25</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823005354/intrusion_1002.htm"><FONT STYLE="font-size: 10pt">Amendment
    to Forbearance Agreement, dated as of August 7, 2023, between Intrusion Inc. and Streeterville Capital, LLC</FONT></A> <FONT STYLE="font-size: 10pt">(Filed
    as Exhibit 10.2 to the Registrant&rsquo;s Current Report on Form 8-K filed on August 7, 2023, which Exhibit is incorporated by reference
    herein).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.26</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823005354/intrusion_1001.htm"><FONT STYLE="font-size: 10pt">Security
    Agreement, dated as of August 2, 2023, by Intrusion Inc. in favor of Streeterville Capital, LLC</FONT></A> <FONT STYLE="font-size: 10pt">(Schedule
    A to Forbearance and Standstill Agreement, dated as of August 2, 2023, between Intrusion Inc. and Streeterville Capital, LLC) (Filed
    as an Exhibit to the Registrant&rsquo;s Current Report on Form 8-K filed on August 7, 2023, which Exhibit is incorporated by reference
    herein).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.27</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/736012/000168316823006874/intrusion_ex1001.htm">Stipulation of Compromise and Settlement, dated September 28, 2023</A> (Filed as Exhibit 10.1 to the Registrant&rsquo;s Current Report on Form 8-K filed on October 2, 2023, which Exhibit
    is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.28</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/736012/000168316823007754/intrusion_ex1001.htm">Form of Securities Purchase Agreement between the Company and the Purchasers dated November 8, 2023</A> (Filed as Exhibit 10.1 to the Registrant&rsquo;s Current Report on Form 8-K
    filed on November 9, 2023, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.29</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/736012/000168316823007754/intrusion_ex1002.htm">Form of Placement Agent Agreement between the Company and Wellington Shields &amp; Co. LLC dated November 8, 2023</A> (Filed as Exhibit 10.2 to the Registrant&rsquo;s Current Report
    on Form 8-K filed on November 9, 2023, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">10.30</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/736012/000168316823007754/intrusion_ex1003.htm">Form of Lock-up Agreement</A> (Filed as Exhibit
    10.3 to the Registrant&rsquo;s Current Report on Form 8-K filed on November 9, 2023, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">14.1</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316822001761/intz_ex1401.htm"><FONT STYLE="font-size: 10pt">Code
    Of Conduct</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as an Exhibit to the Registrant&rsquo;s Annual Report on Form 10-K, for
    the fiscal year ended December 31, 2021, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">21.1</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="https://www.sec.gov/Archives/edgar/data/736012/000168316823005588/intrusion_ex2101.htm"><FONT STYLE="font-size: 10pt">List
    of Subsidiaries</FONT></A> <FONT STYLE="font-size: 10pt">(Filed as Exhibit 21 to the Registrant&rsquo;s Annual Report on Form 10-K,
    for the fiscal year ended December 31, 2022, which Exhibit is incorporated herein by reference).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">23.1*</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="intrusion_ex2301.htm"><FONT STYLE="font-size: 10pt">Consent of Whitley Penn LLP, Independent Registered Public Accounting Firm.</FONT></A></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">23.3</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt">Consent
    of Anthony L.G., PLLC</FONT> <FONT STYLE="font-size: 10pt">(incorporated in <A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823008743/intrusion_ex0501.htm">Exhibit 5.1</A>).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">24.1*</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><FONT STYLE="font-size: 10pt">Power
    of Attorney</FONT> <FONT STYLE="font-size: 10pt">(included on the <A HREF="#poa">signature page</A>).</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt"> 107** </FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: justify"><A HREF="http://www.sec.gov/Archives/edgar/data/736012/000168316823008743/intrusion_ex107.htm"><FONT STYLE="font-size: 10pt">Filing Fee Table</FONT></A></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">&dagger;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt">Management contract, compensation plan or arrangement.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">*</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt">Filed herewith.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD> ** </TD>
    <TD STYLE="text-align: justify"> Previously filed. </TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B></B></P>

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Pursuant to the requirements
of the Securities Act of 1933, as amended, the registrant has duly caused this Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Plano, Texas on December 20, 2023.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt"><B>Intrusion Inc.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 53%">&nbsp;</TD>
    <TD STYLE="width: 1%"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="width: 46%; border-bottom: black 1pt solid"><FONT STYLE="font-size: 10pt"><I>/s/ Anthony Scott</I></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Anthony Scott,</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Chief Executive Officer</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.7pt; text-align: justify; text-indent: 35.3pt"> <A NAME="poa"></A>KNOW ALL PERSONS
BY THESE PRESENTS that each individual whose signature appears below constitutes and appoints Anthony Scott and Kimberly Pinson and each
of them acting singly, his true and lawful attorney-in-fact and agent with full power of substitution, for him and in his name, place,
and stead, in any and all capacities, to sign (1) any and all amendments (including post-effective amendments) to this Registration Statement,
and (2) any registration statement or post-effective amendment thereto to be filed with the Securities and Exchange Commission pursuant
to Rule&nbsp;462(b)&nbsp;under the&nbsp;Securities Act, and to file the same, with all exhibits thereto and all documents in connection
therewith, with the Securities and Exchange Commission or any other regulatory authority, granting unto each said attorney-in-fact and
agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith,
as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact
and agents or any of them, or his or their substitute or substitutes, may lawfully do or cause to be done or by virtue hereof. </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.7pt; text-align: justify"> &nbsp; </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Pursuant to the requirements
of the Securities Act, this Registration Statement has been signed by the following persons in the capacities held on December 20, 2023.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: bottom; width: 48%; border-bottom: black 1pt solid; text-align: center"><FONT STYLE="font-size: 10pt"><B>Name</B></FONT></TD>
    <TD STYLE="width: 2%; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 50%; border-bottom: black 1pt solid; text-align: center"><FONT STYLE="font-size: 10pt"><B>Title</B></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; border-bottom: black 1pt solid"><FONT STYLE="font-size: 10pt"><I>/s/ Anthony Scott</I></FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Chief Executive Officer, President and Director</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-size: 10pt">Anthony Scott</FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">(Principal Executive Officer)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; border-bottom: black 1pt solid"><FONT STYLE="font-size: 10pt"><I>/s/ Kimberly Pinson </I></FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Chief Financial Officer</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-size: 10pt">Kimberly Pinson</FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">(Principal Financial Officer and Principal Accounting Officer)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; border-bottom: black 1pt solid"><FONT STYLE="font-size: 10pt">/s/ <I>Anthony J. LeVecchio</I></FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Chairman and Director</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-size: 10pt">Anthony J. LeVecchio</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; border-bottom: black 1pt solid"><FONT STYLE="font-size: 10pt">/s<I>/ James F. Gero</I></FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Director </FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-size: 10pt">James F. Gero</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; border-bottom: black 1pt solid"><FONT STYLE="font-size: 10pt">/s/ <I>Katrinka B. McCallum</I></FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Director </FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-size: 10pt">Katrinka B. McCallum</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; border-bottom: black 1pt solid"><FONT STYLE="font-size: 10pt">/s/ <I>Gregory K. Wilson</I></FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Director</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-size: 10pt">Gregory K. Wilson</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>intrusion_ex2301.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">Exhibit 23.1</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING
FIRM</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.05in 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.05in 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">We consent to the incorporation by reference
in this Registration Statement on Form S-1 of Intrusion Inc. and subsidiaries (the &ldquo;Company&rdquo;) of our report dated March 31,
2023 (which contains an explanatory paragraph relating to the Company&rsquo;s ability to continue as a going concern as described in
Note 2 to such financial statements), related to our audit of the consolidated balance sheets of the Company as of December 31, 2022
and 2021, and the related consolidated statements of operations, changes in stockholders&rsquo; equity (deficit), and cash flows for
the years then ended, which report appears in the Company&rsquo;s Annual Report on Form 10-K for the year ended December 31, 2022. We
also consent to the reference to our firm under the heading &ldquo;Experts&rdquo; in this Registration Statement on Form S-1.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">/s/ Whitley Penn LLP</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Dallas, Texas</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">December 20, 2023</P>

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