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

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NETWORK 1 SECURITY SOLUTIONS INC (NSSI)
CIK: 0001065078
Period of Report: 2003-12-31

Reporting Person: FIRST NEW YORK SECURITIES LLC /NY (10% Owner)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2003-12-31	Common Stock	P	41000	$0.20	Acquired	607700	Direct
2004-01-02	Common Stock	P	300	$0.19	Acquired	608000	Direct
2004-01-15	Common Stock	P	30000	$0.27	Acquired	638000	Direct
2004-01-16	Common Stock	P	40000	$0.29	Acquired	678000	Direct
2004-01-27	Common Stock	P	50500	$0.37	Acquired	728500	Direct
2004-01-26	Common Stock	P	2500	$0.40	Acquired	731000	Direct
2004-01-27	Common Stock	P	19700	$0.42	Acquired	750700	Direct
2004-02-02	Common Stock	P	7300	$0.48	Acquired	758000	Direct
2004-02-02	Common Stock	P	20000	$0.45	Acquired	778000	Direct
2004-02-06	Common Stock	P	1000	$0.42	Acquired	779000	Direct
2004-02-09	Common Stock	P	10000	$0.45	Acquired	789000	Direct
2004-02-13	Common Stock	P	1000	$0.45	Acquired	790000	Direct
2004-02-13	Common Stock	P	1000	$0.49	Acquired	791000	Direct
2004-02-17	Common Stock	P	1000	$0.44	Acquired	792000	Direct
2004-02-17	Common Stock	P	3500	$0.43	Acquired	795500	Direct
2004-02-18	Common Stock	P	5500	$0.43	Acquired	801000	Direct
2004-02-19	Common Stock	P	500	$0.47	Acquired	801500	Direct
2004-02-19	Common Stock	P	2000	$0.46	Acquired	803500	Direct
2004-02-20	Common Stock	P	1000	$0.47	Acquired	804500	Direct
2004-02-20	Common Stock	P	1500	$0.45	Acquired	806000	Direct
2004-02-26	Common Stock	P	1000	$0.40	Acquired	807000	Direct
2004-02-26	Common Stock	P	8000	$0.42	Acquired	815000	Direct
2004-02-26	Common Stock	P	12000	$0.43	Acquired	827000	Direct
2004-02-26	Common Stock	P	20000	$0.41	Acquired	70000	Direct
2004-02-26	Common Stock	P	47000	$0.4	Acquired	874000	Direct
2004-03-05	Common Stock	P	5000	$0.22	Acquired	75000	Direct
2004-03-08	Common Stock	P	25600	$0.25	Acquired	100600	Direct

F1: Securities owned by First New York Securities L.L.C.

F2: Securities owned by Douglas Lipton

F3: Mr. Lipton is also an indirect beneficial owner of 32,200 shares owned by his wife.