[The High Roller]

A hacker demonstrates that code can be hidden inside a new computer to put it forever under remote control, even after upgrades to the hard drive or operating system.

The attack can work on PCs with any kind of processor, but many of the standard features of PC motherboards originated with Intel. Suzy Greenberg, a spokeswoman for that company, said in an e-mail that Brossard's paper was "largely theoretical," since it did not specify how an attacker would insert Rakshasa onto a system, and did not take into account that many new BIOS chips have cryptographically verified code that would prevent it from working.

Here's the link if you guys want to read the article:
A computer infection that can never be cured

Pretty interesting to say the least.