http://www.theinquirer.net/?article=30329

Xbox 360 flaw makes machine hackable

A FLAW in the Xbox 360 DVD firmware could allow the forces of darkness in the hacking world to install custom firmware in the machine.
Here's the knockout...........

According to Xboxic, here, the hack has been found by a bloke who goes by the handle ‘TheSpecialist’ and has found a few firmware hacks before.