Organizing Security models is one topic we all been aware of. Sir Pineda was able to discussed three models. Bell-LaPadula model, Biba and Clark-Wilson model. Bell-LaPadula model is describing to the access of internet and having the controls which can be labeled on any objects. An access control to all objects having the permission or a clearance to the said objects before you can actually access it. The model have a so-called Security labels which divided to its range.
Meanwhile, Biba model or so-called Biba Integrity model is a kind of security model that illustrates as a rule for a protection of a data. The entities in the system are divided into subjects and objects. Biba model has a term used which is a "Secure state". It is a term to describe each state transition preserves the security by moving it to secure state.
All these models I have discussed is all about how security were arrange to its own perspective. It shows how to make things right especially when defining the level category like having one access based on your position. These three models prove that one employee should not be able to read all the confidentiality measures in a higher position of an another regular employee.
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