This is a very interesting event that will probably have some impact on future computer network vulnerability research and publications:

• Wired interview with the researcher
• Lot’s of legal threats
• Video of Cisco reps ripping out the presentation from DEFCON docs
• News coverage of the posting of the info online
• Make Magazine review of recent news
• John Murrell has some fine  analysis [earlier post]
• BoingBoing coverage is good also [earlier coverage]

I think that IT pros should really seriously consider whether they want to do business with ISS and Cisco (this is probably a lot harder to do than ISS) if this is going to be standard behavior.