NETWORK-1 TECHNOLOGIES, INC. — Director's Dealing 2004

Dec 21, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NETWORK 1 SECURITY SOLUTIONS INC (NSSI.OB)
CIK: 0001065078
Period of Report: 2004-12-17

Reporting Person: LIEBER IRWIN (10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-12-17	Series D Warrants	$1.114	S	93417	Disposed	2004-12-22	Common Stock (93417)	Direct