EXHIBIT 23.1
    
 
   
CONSENT OF INDEPENDENT AUDITORS
    
 
   
    We consent to the inclusion of our report dated June 17, 1998 (July 8, 1998
with respect to Note F [3], July 17, 1998, with respect to the third paragraph
of Note A and October 20, 1998 with respect to Note J), which contains an
explanatory paragraph with respect to the Company's ability to continue as a
going concern, on the financial statements of Network-1 Security Solutions, Inc.
as of December 31, 1997 and 1996 and for each of the years then ended, in
Amendment No. 2 to its Registration Statement on Form SB-2 and to the reference
to our firm under the caption "Experts" in the Prospectus.
    
 
   
Richard A. Eisner & Company, LLP
    
 
   
New York, New York
October 22, 1998