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. 4 to the Registration Statement on Form S-1 (of which this consent is filed as Exhibit 23.1) and related Prospectus pertaining to Network-1 Security Solutions, Inc. and to the use therein of our report dated March 30, 2011 related to our audit of the financial statements of Network-1 Security Solutions, Inc. for the years ended December 31, 2010 and December 31, 2009.
/s/ Radin, Glass & Co., LLP
Radin, Glass & Co., LLP
New York, New York
June 15, 2011