JargonFile/entries/Orange Book.txt
2014-04-26 15:52:28 +01:00

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Orange Book
n. The U.S. Government's (now obsolete) standards document Trusted Computer System Evaluation Criteria, DOD standard 5200.28-STD, December, 1985 which characterize secure computing architectures and defines levels A1 (most secure) through D (least). Modern Unixes are roughly C2. See also book titles.