Lynn said he quit his job at ISS and went ahead with his presentation because he felt that the Cisco flaw is extremely serious. He said he intends to take a stand in court so that other security researchers aren't bullied into burying their findings when the companies they're researching decide not to publicly address serious security flaws in their products.

"They're trying to intimidate and scare me, and I'll be honest it's working a little bit, but not enough. People who know me will tell you I have a long history of not being afraid of people I should."