Network-1 Completes Technology Sale

  NEW YORK, June 3 /PRNewswire-FirstCall/--
Network-1 Security Solutions, Inc. (OTC: NSSI.PK) announced today that it has
completed the sale of its CyberwallPlus distributed firewall technology and
related intellectual property to Trend Micro Incorporated, a Japanese
corporation and an affiliate of Trend Micro, Inc. (Nasdaq: TMIC), for an
aggregate purchase price of $415,000. 
  ABOUT NETWORK-1 SECURITY SOLUTIONS, INC. 
Network-1 developed a suite of distributed firewall products which provide
an enterprise-class layer of protection directly on potential attack points,
including Windows-based servers, remote and mobile PCs, desktops within the
network perimeter, and wireless devices, to actively detect and block
intrusions.  In January 2003 Network-1 announced it was discontinuing its
software product offerings.  Management is focusing its efforts on seeking a
merger candidate for Network-1.
  

SOURCE  Network-1 Security Solutions, Inc. 
-0-                             06/03/2003 
/CONTACT: Corey M. Horowitz, Chairman of the Board for Network-1 Security
Solutions, Inc., +1-212-829-5770/ 
/Web site:  http://www.network-1.com/ 
(NSSI TMIC) 
CO:  Network-1 Security Solutions, Inc.; Trend Micro, Inc.
ST:  Massachusetts
IN:  STW CPR HTS
SU:  PDT 
-0- Jun/03/2003 14:37 GMT