WSJ.com - Technology: Microsoft, Chip Makers Work To Create Built-In Web Security WSJ on MSFT "Pallidum:" An underlying concept is to use chips and software to establish a kind of walled-off portion of a personal computer that can't be modified or tampered with, said Geoffrey Strongin, a platform security architect at AMD. "By no means is there any unbreakable security technology," Mr. Strongin said. But this kind of "lockbox" approach could make successful attacks harder, he said.