Which of the following is considered the first security mode

Which of the following is considered the first security model to be based on confidentiality?

A. Biba

B. Bell-LaPadula

C. Graham-Denning

D. Clark-Wilson

Solution

Answer: B)Bell-lapadula

Reason: 1.) It is the first security model to be based on confidentiality which involves many levels security policy to tell the idea of security state mchine and versions of acess and summarized act of acess.

2.) It is outlined by us government and also takes care by the us govrnment agencies only.

3.) A state machine model which admins the confidentaility features of acessmodel.

4.)Total MAC systems are depending on this Bell-lapadula due to the mutievel security.

5.)It mainly targets on confirming with discrete clearences.