*(star) Integrity Propery

An axiom of the Biba model that states that a subject at a specific classification level cannot read data with a lower classification level. This is often shortened to “no read down. ”
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A formal state transition access control security model that focuses on data integrity in an information system. In general, Biba integrity model has three goals: Prevent data modification by unauthorized subject, prevent unauthorized data modification by authorized subject, and maintain internal and external consistency. It is defined by Kenneth J. Biba. (A MITRE alumni)
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A property of the Bell–LaPadula model that states that a subject at a specific classification level cannot write data to a lower classification level. This is often shortened to “no write down. ”
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A property of the Bell–LaPadula model that states that a subject at a specific classification level cannot read data with a higher classification level. This is often shortened to “no read up. ”
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A model that uses classification-based restrictions to offer only subject-specific authorized information and functions. One subject at one classification level will . See one set of data and have access to one set of functions whereas another subject at a different classification level will . See a different set of data and have access to a different set of functions.
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