| D. E. Bell and L. J. La Padula, Security computer systems : mathematical foundations, Technical Report FSD-TR-73278, Hanscom Air Force Base, Bedford, MA, 1973. 146 |
....is to isolate critical components, but complete isolation is not always possible because of the inevitable cooperation among the various parts of the system. A compromise among the high cost of the first solution, and the non effectiveness of the second one, is defined by an integrity policy [1, 4, 10, 25]: it is not needed to validate all the components with the same effort, but only those which accomplish a critical task and those which provide data to these task critical components. An integrity policy assigns a level of criticality to each component of an application. The highest the level ....
Bell, D.E., LaPadula, L.J., "Security Computer Systems: Mathematical foundations and model", Technical Report M74-244, MITRE Corp., Bedford, Mass., 1974.
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D. E. Bell and L. J. La Padula, Security computer systems : mathematical foundations, Technical Report FSD-TR-73278, Hanscom Air Force Base, Bedford, MA, 1973. 146
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