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Background
The Biba integrity model, published in 1977 as a MITRE Corporation technical report, followed close on the heels of the Bell-LaPadula model [1]. Like the latter, it formulated a mandatory security policy for use by computer systems containing classified information. While the mandatory policy of the Bell-LaPadula model was designed to protect confidentiality, the security objective of the Biba model was to protect integrity.
Biba’s report presented three alternative integrity policies: a low-water mark policy, a ring policy, and the strict integrity policy. The strict integrity policy is the one that has become well known as the Biba integrity policy.
Theory
The strict integrity policy is a dual to the Bell-LaPadula mandatory security policy. It assumes that an integrity level \({\underline{il}}(x)\)has been assigned to each subject and object....
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Recommended Reading
Biba KJ (April 1977) Integrity considerations for secure computer systems, ESD-TR 76-372, ESD Technical Report, The MITRE Corporation
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© 2011 Springer Science+Business Media, LLC
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Millen, J.K. (2011). Biba Model. In: van Tilborg, H.C.A., Jajodia, S. (eds) Encyclopedia of Cryptography and Security. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-5906-5_812
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DOI: https://doi.org/10.1007/978-1-4419-5906-5_812
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