They literally are everywhere. I monitor a whole bunch of sites myself for years, and yes, they know of PS2, and they plan.
But theres nothing to worry yet. Punkbuster isnt the only line of defense, and if SOE hates hackers as much as I do, then there is literally nothing to worry about, because those fools get blown away.
There are wonderful, wonderful things you can do if you create the whole engine + the whole back tech yourself. And SOE did that.
