Internet security experts are <A HREF="http://news.zdnet.com/2100-1009_22-6151860.html?tag=nl.e589">gathering at a secretive conference</A> later this week to strategize in their fight against cybercriminals. The meeting on Thursday and Friday at Microsoft's Redmond headquarters is slated to bring together representatives from security companies and government and law enforcement officials, as well as others involved in network security. The agenda focuses on botnets and related topics, seen by experts as a prime threat to the Internet.