Plus just about any kind of invitation-only meeting of people who can Get Shit Done. Many years ago I was at one of these and one of the discussions was how you'd shut down all network comms in a country in a manner where it'd take weeks if not months to restart things, by people who were in a position to actually do it. Was this a cabal? Yes, if you report it as such, but no if you report it as a threat-modelling exercise by the defenders.