December 2004
Intermediate to advanced
976 pages
33h 33m
English
The National Computer Security Center (NCSC, at http://www.radium.ncsc.mil/tpep/) was established in 1981 as part of the U.S. Department of Defense's (DoD) National Security Agency (NSA). One goal of the NCSC was to create a range of security ratings, listed in Table 8-1, to be used to indicate the degree of protection commercial operating systems, network components, and trusted applications offer. These security ratings, which can be found at http://www.radium.ncsc.mil/tpep/library/rainbow/5200.28-STD.html, were defined in 1983 and are commonly referred to as "the Orange Book."
Table 8-1. TCSEC Rating Levels
Rating | Description |
|---|---|
A1 | Verified Design |
B3 | Security Domains |
B2 | Structured Protection |
B1 | Labeled Security ... |
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