-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001072613-05-002874.txt : 20051215
<SEC-HEADER>0001072613-05-002874.hdr.sgml : 20051215
<ACCEPTANCE-DATETIME>20051215170032
ACCESSION NUMBER:		0001072613-05-002874
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20051212
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20051215
DATE AS OF CHANGE:		20051215

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NETWORK 1 SECURITY SOLUTIONS INC
		CENTRAL INDEX KEY:			0001065078
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				113027591
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15288
		FILM NUMBER:		051267280

	BUSINESS ADDRESS:	
		STREET 1:		1601 TRAPELO RD
		STREET 2:		RESERVOIR PLACE
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		7815223400

	MAIL ADDRESS:	
		STREET 1:		1601 TRAPELO RD
		STREET 2:		RESERVOIR PLACE
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8-k_14041.txt
<DESCRIPTION>FORM 8-K DATED DECEMBER 12, 2005
<TEXT>
================================================================================

                                  UNITED STATES

                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                             -----------------------

                                    Form 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the

                         Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):  December 12, 2005
                                                   -----------------


                       Network-1 Security Solutions, Inc.
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)


          Delaware                    1-14896                   11-3027591
- --------------------------------------------------------------------------------
(State or other jurisdiction        (Commission               (IRS Employer
     of incorporation)              File Number)            Identification No.)



              445 Park Avenue, Suite 1028, New York, New York 10022
- --------------------------------------------------------------------------------
                    (Address of principal executive offices)


Registrant's telephone number, including area code:  (212) 829-5700


                                       N/A
- --------------------------------------------------------------------------------
         (Former name or former address, if changed since last report.)

            Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of
the following provisions (SEE General Instruction A.2. below):

[ ]  Written communications pursuant to Rule 425 under the Securities Act
     (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
     (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))
================================================================================
<PAGE>

ITEM 8.01   OTHER EVENTS

            On November 12, 2005, the Board of Directors of Network-1 Security
Solutions, Inc. (the "Company") extended for three months until March 22, 2006
the expiration date of certain outstanding warrants (the "Warrants") of the
Company to purchase 1,352,152 shares of common stock at prices ranging from
$1.00 to $1.11 per share. The Warrants were originally issued in December 1999
and were scheduled to expire on December 22, 2005.

ITEM 9.01   FINANCIAL STATEMENTS AND EXHIBITS

Exhibit Number     Description
- --------------     -----------

99.1               Press Release, dated December 14, 2005







<PAGE>

                                    SIGNATURE
                                    ---------


            Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                   NETWORK-1 SECURITY SOLUTIONS, INC.



Dated: December 14, 2005           By: /s/ Corey M. Horowitz
                                       -----------------------------
                                       Name:  Corey M. Horowitz
                                       Title: Chairman & Chief Executive Officer




</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>exh99-1_14041.txt
<DESCRIPTION>PRESS RELEASE DATED DECEMBER 14, 2005
<TEXT>
                                                                    EXHIBIT 99.1
                                                                    ------------

FOR IMMEDIATE RELEASE
COREY M. HOROWITZ, CHAIRMAN AND CEO
NETWORK-1 SECURITY SOLUTIONS, INC.
212-829-5770


                    NETWORK-1 EXTENDS WARRANT EXPIRATION DATE

NEW YORK, December 14, 2005--Network-1 Security Solutions, Inc. (OTC: NSSI.OB)
today announced that it has extended for three months the expiration date of
certain warrants to purchase 1,352,152 shares of Common Stock, which were
originally issued in 1999 in connection with a private financing and which were
scheduled to expire on December 22, 2005. The warrants now will expire on March
22, 2006 and are exercisable for one share of Common Stock of Network-1 at
exercise prices ranging from $1.00 to $1.11 per share.

ABOUT NETWORK-1 SECURITY SOLUTIONS, INC.

Network-1 Security Solutions, Inc. is engaged in the acquisition, development,
licensing and protection of its intellectual property and proprietary
technologies. As part of its business strategy it is offering licenses to third
parties who Network-1 believes could benefit from the technologies covered by
its patents. In February 2004, the Company initiated its licensing efforts
relating to its patent (U.S. Patent No. 6,218,930) covering the remote delivery
of power over Ethernet cables.

THIS RELEASE CONTAINS FORWARD-LOOKING STATEMENTS WITHIN THE MEANING OF THE "SAFE
HARBOR" PROVISIONS OF THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995.
THESE STATEMENTS ADDRESS FUTURE EVENTS AND CONDITIONS CONCERNING THE COMPANY'S
BUSINESS PLANS. SUCH STATEMENTS ARE SUBJECT TO A NUMBER OF RISK FACTORS AND
UNCERTAINTIES AS DISCLOSED IN THE COMPANY'S QUARTERLY REPORT ON FORM 10-QSB FOR
THE THREE MONTHS ENDED SEPTEMBER 30, 2005 INCLUDING, AMONG OTHERS, THE ABILITY
OF NETWORK-1 TO OBTAIN LICENSE AGREEMENTS FROM THIRD PARTIES FOR ITS PATENT
PORTFOLIO, UNCERTAINTY OF PATENT LITIGATION, THE COMPANY'S ABILITY TO ACHIEVE
REVENUES AND PROFITS FROM ITS PATENT PORTFOLIO, THE COMPANY'S ABILITY TO RAISE
CAPITAL WHEN NEEDED, FUTURE ECONOMIC CONDITIONS AND TECHNOLOGY CHANGES AND
LEGISLATIVE, REGULATORY AND COMPETITIVE DEVELOPMENTS. EXCEPT AS OTHERWISE
REQUIRED TO BE DISCLOSED IN PERIODIC REPORTS, THE COMPANY EXPRESSLY DISCLAIMS
ANY FUTURE OBLIGATION OR UNDERTAKING TO UPDATE OR REVISE ANY FORWARD-LOOKING
STATEMENT CONTAINED HEREIN.




</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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