Until recently Xbox 360 owners were able to download a firmware hack which allowed them to play backed-up games and essentially boot-legged copies of games on their game console. They were also able to participate with them on Xbox Live seemingly without any notice from Microsoft, but that appears to have changed.

Apparently with the recent Spring Update earlier this month and coinciding with the beta release of Halo 3, Microsoft has shown that they are able to detect and ban those consoles with modified firmware. …