EXHIBIT 23.1
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. 1 on Form S-1 to Form SB-2 and Form S-2 (of which
this consent is filed as Exhibit 23.1) pertaining to the Network-1 Security
Solutions, Inc. and to the incorporation by reference therein of our report
dated March 25, 2008 related to the financial statements of Network-1
Security Solutions, Inc. for the year ended December 31, 2007 and December
31, 2006 included in its Annual Report on Form 10-KSB for the year ended
December 31, 2007 filed with the Securities and Exchange
Commission.
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/s/ Radin, Glass
& Co.,
LLP
Radin,
Glass & Co., LLP
New
York, New York
September 22,
2008
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