RTMPE Secure Streaming protocol is what you want. A video bug that is large enough so that any video Camera capture of the video will have to expose it is there.
Basically making it hard for the thief and hackers to get it is the key since most are lazy and are just looking for easy targets.
It is only a matter of time before your content is hacked and posted on the pirate sites... Though there are many ways to foil that too (ask me how).