For years, the software giant has promised to deliver a secure way to shuttle around key bits of information. Once known as Palladium and more recently dubbed the Next Generation Secure Computing Base, or NGSCB, the approach was once a key part of Longhorn, the next version of Windows. Although the first piece of that is arriving in Longhorn, it's only a thin sliver of what Microsoft has been working toward since describing its idea of "trusted Windows" a decade ago.
In the next version of Windows, Microsoft will use the concepts of NGSCB to ensure that Windows-based machines start up without interference. The primary benefit of such an approach is that if a laptop is lost or stolen, the data can't be accessed simply by booting the machine up using another operating system.
"If you lose your laptop in a taxi, no one is going to get at your data," Windows chief Jim Allchin said in a recent interview. "The hardware is not going to let you boot that software, and there is a way for us to do full-volume encryption."
That may indeed be a popular feature, but it's a far cry from Microsoft's broader plan, which was to use NGSCB system-wide as a secure vault for particularly sensitive information such as passwords or bank records. Such information would be kept in hardware and then securely transmitted between a computer's components, such as memory, hard drive and monitor.
The change, Microsoft says, is the result of customers telling the software maker that they didn't want to have to rewrite their applications.
"We revisited our approach," said Selena Wilson, director of product marketing in Microsoft's security unit, adding that the company's decision was to "give customers something that is easy to implement now and upgrade over time."
Microsoft's plans for NGSCB have been shifting for some time. The company demonstrated a prototype of the technology two years ago, but by that point there were already concerns that it could harm consumers or that it would give Microsoft too much leverage over businesses.
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