Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Hound Partners, LLC
   2. Issuer Name and Ticker or Trading Symbol
NETWORK 1 SECURITY SOLUTIONS INC [NSSI] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
101 PARK AVENUE, 48TH FLOOR		 3. Date of Earliest Transaction (Month/Day/Year)
04/01/2010
(Street)

NEW YORK, NY 10178		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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
Common Stock $.01 par value per share 04/01/2010 04/01/2010 S(1)   244,230 D $ 0.93 812,985 I By Hound Partners, LP (2)
Common Stock $.01 par value per share 04/01/2010 04/01/2010 P(1)   21,385 A $ 0.93 1,160,753 I By Hound Partners Offshore Fund, LP (3)
Common Stock $.01 par value per share 04/01/2010 04/01/2010 P(1)   222,845 A $ 0.93 222,845 I By Hound Partners, LLC (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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
Common Stock Warrant (Right to Buy) $ 2 04/01/2010 04/01/2010 S(1)     83,943 04/16/2007 04/16/2012 Common Stock` 83,943 $ 0.0037 400,957 (5) I By Hound Partners, LP (2)
Common Stock Warrant (Right to Buy) $ 2 04/01/2010 04/01/2010 S(1)     25,962 04/16/2007 04/16/2012 Common Stock 25,962 $ 0.0037 572,472 I By Hound Partners Offshore Fund, LP (3)
Common Stock Warrant (Right to Buy) $ 2 04/01/2010 04/01/2010 P(1)   109,905   04/16/2007 04/16/2012 Common Stock 109,905 $ 0.0037 109,905 I By Hound Partners, LLC (4)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Hound Partners, LLC
101 PARK AVENUE
48TH FLOOR
NEW YORK, NY 10178		     X    
Hound Performance, LLC
101 PARK AVENUE
48TH FLOOR
NEW YORK, NY 10178		     X    
AUERBACH JONATHAN A G
101 PARK AVENUE
48TH FLOOR
NEW YORK, NY 10178		     X    

Signatures

 Hound Partners, LLC, By: /s/ Jonathan Auerbach, Managing Member   04/09/2010
**Signature of Reporting Person Date
 Hound Performance, LLC, By: /s/ Jonathan Auerbach, Managing Member   04/09/2010
**Signature of Reporting Person Date
 /s/ Jonathan Auerbach   04/09/2010
**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) Re-balancing transactions among related entities over which the Reporting Person may be deemed to have beneficial ownership.
(2) The securities may be deemed to be beneficially owned by (a) Hound Performance, LLC, the general partner of Hound Partners, LP; (b) Hound Partners, LLC, the investment manager of Hound Partners, LP and (c) Jonathan Auerbach, the managing member of Hound Performance, LLC and Hound Partners, LLC. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of his or its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
(3) The securities may be deemed to be beneficially owned by (a) Hound Performance, LLC, the general partner of Hound Partners Offshore Fund, LP; (b) Hound Partners, LLC, the investment manager of Hound Partners Offshore Fund, LP and (c) Jonathan Auerbach, the managing member of Hound Performance, LLC and Hound Partners, LLC. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of his or its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
(4) The securities may be deemed to be beneficially owned by (a) Hound Partners, LLC (b) a separately managed account managed by Hound Partners, LLC and (c) Jonathan Auerbach, the managing member of Hound Partners, LLC. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of his or its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
(5) The number of derivative securities beneficially owned following a reported transaction was misstated in the prior Form 4 (filed on August 8, 2008). The number reported as 484,899 was actually 484,900. This misstatement is hereby corrected.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.