X0202 4 2004-12-21 0 0001065078 NETWORK 1 SECURITY SOLUTIONS INC NSSI.OB 0001274521 GRAIFMAN ROBERT C/O SKYFARM MANAGEMENT, LLC 31 GROSVENOR ROAD SHORT HILLS NJ 07078 1 0 0 0 Common Stock, $.01 par value per share 2004-12-21 4 P 0 100000 1.00 A 154777 D Warrants to Purchase Common Stock (25,000) 1.75 2004-12-21 4 P 0 25000 A 2004-12-21 2007-12-21 Common Stock, $.01 par value per share 25000 25000 D Warrants to Purchase Common Stock (50,000) 1.25 2004-12-21 4 P 0 50000 A 2004-12-21 2007-12-21 Common Stock, $.01 par value per share 50000 50000 D The Warrants were purchased by Mr. Graifman together with the 100,000 shares of Common Stock as part of a private offering of securities by Network-1 Securities Solutions, Inc. for an aggregate price of $100,000. /s/ Graifman, Robert 2004-12-23