The Information Flow Model

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The Information Flow Model: 

The information flow model is based on a state machine model, and consists of objects, state transitions, and lattice states. Information flow models are constructed to block unauthorized, insecure, or restricted information flow, either between subjects and objects at the same classification level, or between subjects and objects at different classification levels. It permits authorized information flows within the same classification level or between different classification levels, while preventing all unauthorized information flows between or among the classification levels.

The Bell-LaPadula model and the Biba model are both…

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