INDEPENDENT AUDITORS’ CONSENT
The Board of Directors
Network-1 Security Solutions, Inc.
We consent to the reference to our firm under the caption “Experts” in the Post-Effective Amendment No. 3 on Form S-1 (of which this consent is filed as Exhibit 23.1) pertaining to Network-1 Security Solutions, Inc. and to the incorporation by reference therein of our report dated April 8, 2010 related to the financial statements of Network-1 Security Solutions, Inc. for the year ended December 31, 2009 and December 31, 2008 included in its Annual Report on Form 10-K for the year ended December 31, 2009 filed with the Securities and Exchange Commission.
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/s/ Radin, Glass & Co., LLP
Radin, Glass & Co., LLP
New York, New York
April 30, 2010
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