Certainly there are a number of well-known popular venues which offer a stage for spies to broadcast their messages from while simultaneously claiming to "cultivate conversations among all members of the security community, both public and private." This year, for instance, Black Hat USA will host Dan Greer (the CISO of In-Q-Tel) as a keynote speaker.
But after all of the lies and subterfuge is it even constructive to give voice to the talking points of intelligence officials? Or are they just muddying the water? As one observer put it, "high-profile members of the intelligence community like Cofer Black, Shawn Henry, Keith Alexander, and Dan Greer are positioned front and center in keynote slots, as if they were glamorous Hollywood celebrities. While those who value their civil liberties might opine that they should more aptly be treated like pariahs."