FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
HOROWITZ COREY M
   2. Issuer Name and Ticker or Trading Symbol
NETWORK 1 SECURITY SOLUTIONS INC [NSSI.PK] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O CMH CAPITAL MANAGEMENT CORP., 445 PARK AVENUE, SUITE 1028		 3. Date of Earliest Transaction (Month/Day/Year)
11/18/2003
(Street)

NEW YORK, NY 10022		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Series E Convertible Preferred Stock $ 0 (1) 11/18/2003   P   1,084,935     (2)   (3) Common Stock, $.01 par value per share 2,169,870 $ 0.0322 1,084,935 I By Corporation (4)
Series E Convertible Preferred Stock $ 0               (2)   (3) Common Stock, $.01 par value per share 70,754   35,377 I By Spouse

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
HOROWITZ COREY M
C/O CMH CAPITAL MANAGEMENT CORP.
445 PARK AVENUE, SUITE 1028
NEW YORK, NY 10022		   X   X    

Signatures

 /s/ Horowitz, Corey M.   11/20/2003
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Under the terms of the Certificate of Designations, Preferences and Other Rights and Qualifications of Series E convertible Preferred Stock of the Issuer, each share of Series E Convertilbe Preferred Stock is convertible at any time into two (2) shares of Common Stock.
(2) The Series E Convertible Preferred Shares became convertible upon issuance.
(3) The Series E Convertible Preferred Shares do not have an expiration date.
(4) These securities are owned directly by CMH Capital Management Corp. ("CMH"), a corporation whose sole stockholder is Corey M. Horowitz.
 
Remarks:

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