Network-1 to Host Shareholder Update Call on Tuesday, February 12, 2008 at 4:15 p.m. Eastern

Company to discuss recently filed patent litigation suit against Cisco Systems and other major data networking companies

NEW YORK, Feb. 11 /PRNewswire-FirstCall/ -- Network-1 Security Solutions, Inc. (OTC Bulletin Board: NSSI) today announced that Mr. Corey M. Horowitz, Chairman and CEO, will host a conference call to update shareholders on today's announcement of the commencement of patent litigation against Cisco Systems and other major data networking companies.

The conference call will take place at 4:15 p.m. Eastern, on Tuesday, February 12, 2008. Anyone interested in participating should call 800-762-8973 if calling within the United States, or 480-629-9041 if calling internationally, approximately 5-10 minutes prior to 4:15 p.m. Eastern. There will be a playback available until February 26, 2008. To listen to the playback, please call 800-406-7325 if calling within the United States, or 303-590-3030 if calling internationally. Please use pass code 3844115 for the replay.

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. It currently owns six patents covering various telecommunications and data networking technologies and is currently focusing its licensing efforts on its Remote Power Patent (U.S. Patent No. 6,218,930) covering the remote delivery of power over Ethernet networks. The Remote Power Patent was granted by the U.S. Office of Patents and Trademarks on April 17, 2001 and expires on March 11, 2020.

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 quarter ended September 30, 2007 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.

    Investor Contact:

    Corey M. Horowitz, Chairman and CEO
    Network-1 Security Solutions, Inc.
    (212) 829-5770

    Or

    Alliance Advisors, LLC
    Alan Sheinwald, 914-244-0062
    asheinwald@allianceadvisors.net

SOURCE Network-1 Security Solutions, Inc.

Released February 11, 2008