Interestingly, it was recently rumored that Sony was soon going to be releasing new "unhackable" PS3 models to the market.
Quote:
Originally Posted by Mathieulh
I hesitated a lot before tweeting about it, but a bug allows exploiting metldr, the bootloader and 3.56+. I don't intent to ever unveil it.
So much for "unhackable" ps3s though....