<A HREF="http://www.zdnet.com/zdnn/stories/news/0,4586,2605466,00.html">ZDNet</A> reports that technicians running large computer networks are increasingly voicing concerns over the security risks posed by Napster's online music downloads. The article says the risk comes when users open their computers to anonymous Web surfers looking for music files to download. The inappropriate use of corporate networks and traffic tie-ups from digital music downloads is another complaint network administrators have of Napster.