UNITED STATES                                  
                       SECURITIES AND EXCHANGE COMMISSION                       
                             Washington, D.C. 20549                             
                                                                                
                                  SCHEDULE 13G                                  
                                                                                
                   Under the Securities Exchange Act of 1934                    
                                                                                
                              (Amendment No. 3) *                               
                                                                                
                                 Intrusion Inc.                                 
                                Name of Issuer)                                 
                                                                                
                         Common Stock, Par Value $0.01                          
                         (Title of Class of Securities)                         
                                                                                
                                   46121E205                                    
                                 (CUSIP Number)                                 
                                                                                
                                                                                
                               December 31, 2023                                
                                                                                
            (Date ofEvent which Requires Filing of this Settlement)             
                                                                                
Check the appropriate box to designate the rulepursuant to which this Schedule 
is filed:


 Rule 13d-1(b)


 Rule 13d-1(c)


 Rule 13d-1(d)


*The remainder of this cover page shall be filledout for a reporting person's 
initial filing on this form with respect to the subject class of securities, 
and for any subsequentamendment containing information which would alter 
disclosures provided in a prior cover page.

The information required on the remainder of thiscover page shall not be 
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange 
Act of 1934 ("Act")or otherwise subject to the liabilities of that section of 
the Act but shall be subject to all other provisions of the Act (however, 
seethe Notes).





  





CUSIP No. 46121E205 SCHEDULE 13G Page 2 of 4

                                                                                
                                                                                

                                                        
1.  NAMES OF REPORTING PERSON                           
    S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON  
                                                        
    Patsy A. Paxton                                     
2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP    
    (see instructions)                                  
    (a)                                                 
    ¨                                               
    (b)                                                 
    ¨                                               
3.  SEC USE ONLY                                        
                                                        
4.  CITIZENSHIP OR PLACE OF ORGANIZATION                
                                                        
    USA                                                 



                                                                                                                  
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH    5.                          SOLE VOTING POWER
                                                                                                                  
                                                                                                 1,142,274 [FN-1] 
                                                                  6.    SHARED VOTING POWER     
                                                                                                
                                                                        0                       
                                                                  7.    SOLEDISPOSITIVE POWER   
                                                                                                
                                                                        1,142,274               
                                                                        [FN-1]                  
                                                                  8.    SHARED DISPOSITIVE POWER
                                                                                                
                                                                        0                       




                                                                       
 9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON      
                                                                       
     1,142,274 [FN-1]                                                  
10.  CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  
                                                                       
                                                                       
     ¨                                                             
11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)                 
                                                                       
     3.1% [FN-2]                                                       
12.  TYPE OF REPORTING PERSON                                          
                                                                       
     INDIVIDUAL                                                        
                                                                       



 FN-1 Includes 606,499 shares held by G. Ward Paxton FLP I, Ltd., G. Ward Paxton I, LLC, General Partner,Patsy
      A. Paxton, Manager, and 532,271 shares held by Ward Paxton Family Trust, Patsy A. Paxton, Trustee.      
                                                                                                              


 FN-2 Based upon 36,268,942 shares outstanding of the Issuer's common stock asof January 16, 2024,
      as reported by Intrusion Inc. in its Definitive Proxy Statement filed on January 25, 2024.  





  




CUSIP No. 46121E205 SCHEDULE 13G Page 3 of 4


Item 1.


 (a) Name of Issuer:                                 
                                                     
     Intrusion, Inc.                                 
                                                     
 (b) Address of Issuer's Principal Executive Offices:
                                                     
     101 E. Park Blvd., Suite 1200, Plano, TX 75074  


Item 2.


 (a) Name of Person Filing: Patsy A. Paxton                                                
                                                                                           
 (b) Address or principal business office, if none, residence:                             
                                                                                           
     P.O. Box 227, Allen, TX  75013                                                        
                                                                                           
 (c) Citizenship: USA                                                                      
                                                                                           
 (d) Title of Class of Securities: Intrusion, Inc. Common Stock, par value $0.01 per share.
                                                                                           
 (e) CUSIP Number 46121E205                                                                



Item 3. Not applicable.




Item 4. Ownership.



 (a) Amount beneficially owned:  1,142,274       
                                                 
 (b) Percent of class:  3.1%                     
                                                 
 (c) Number of shares as to which the person has:



 (i)   Sole power to vote or to direct the vote                              
       1,142,274                                                             
       shares.                                                               
                                                                             
 (ii)  Shared power to vote or to direct the vote                            
                                                                             
       shares.                                                               
                                                                             
 (iii) Sole power to dispose or to direct the disposition of                 
       1,142,274                                                             
       shares.                                                               
                                                                             
 (iv)  Shared power to dispose or to direct the disposition of ______ shares.



Item 5. Ownership of Five Percent or Less of a Class


If thisstatement is being filed to report the fact that as of the date hereof 
the reporting person has ceased to be the beneficial owner ofmore than five 
percent of the class of securities, check the following .





  




CUSIP No. 46121E205 SCHEDULE 13G Page 4 of 4




Item 6. Ownership of More Than Five Percent on Behalf of Another Person



Item 7. Identification and Classification of the Subsidiary Which Acquired
        the Security Being Reported On By the Parent Holding Company      



Item 8. Identification and Classification of Members of the Group.



Item 9. Notice of Dissolution of Group


Not
applicable
.



Item 10. Certification


By signing below I certifythat, to the best of my knowledge and belief, the 
securities referred to above were not acquired and are not held for the 
purpose of orwith the effect of changing or influencing the control of the 
issuer of the securities and were not acquired and are not held in 
connectionwith or as a participant in any transaction having that purpose or 
effect.

After reasonable inquiry andto the best of my information and belief, I 
certify that the information set forth in this statement is true, complete, 
and correct.

February 13, 2024
Date


 INTRUSION, INC.    
                    
                    
 By:                
 /s/ Patsy A. Paxton
 Name:              
 Patsy A. Paxton