CS @ STOMPED has been updated with a new huge ass map archive and an interview with cliffe. Here's a tidbit from that i'view:
I'm thinking this txt file is checked against program names in the memory, which sounds pretty cool and will stop most of these hacks that are out there. Check out CS @ STOMPED.Sebastian: What are your feelings about all the cheating that was/is going on in Counter-Strike?
Cliffe: The team is trying its best to keep ahead of it. Gooseman has a new scheme that may prove effective, where a text file is called which will stop the latest cheats. We would simply offer the newest .txt file on our site for servers to keep up with. We'll see how that pans out.