Wield the Shield: How Trustworthy Is Your OS?

"Trusted operating systems have been used for some time to lock down the
most sensitive of information in the most sensitive of organizations. But
with security concerns rising and changing by the hour, it's now a matter
of trust for any organization looking to tighten its computing ship."

http://www.eweek.com/article2/0,1895,1961947,00.asp

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