CISSP-ISSMP Question #89: Real Exam Question with Answer & Explanation

The correct answer is B: Clark-Wilson. The following security models deal only with integrity: The Biba model is a formal state transition system of computer security policy that describes a set of access control rules designed to ensure data integrity. Data and subjects are grouped into ordered levels of integrity. T

Foundational Security Concepts

Question

Which of the following security models deal only with integrity? Each correct answer represents a complete solution. Choose two.

Options

ABiba-Wilson
BClark-Wilson
CBell-LaPadula
DBiba

Explanation

The following security models deal only with integrity: The Biba model is a formal state transition system of computer security policy that describes a set of access control rules designed to ensure data integrity. Data and subjects are grouped into ordered levels of integrity. The model is designed so that subjects may not corrupt data in a level ranked higher than the subject, or be corrupted by data from a lower level than the subject. Answer option C is incorrect. The Bell-LaPadula security model deals only with confidentiality. Answer option A is incorrect. There is no such security model as Biba-Wilson.

Topics

#Security Models#Integrity Models#Biba#Clark-Wilson

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