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CSSLP · Question #78
CSSLP Question #78: Real Exam Question with Answer & Explanation
The correct answer is A: Biba model. The Biba model and the Clark-Wilson model are common access control models widely used in the commercial sector due to their focus on data integrity.
Secure Software Concepts
Question
Which of the following access control models are used in the commercial sector? Each correct answer represents a complete solution. Choose two.
Options
- ABiba model
- BClark-Biba model
- CClark-Wilson model
- DBell-LaPadula model
Explanation
The Biba model and the Clark-Wilson model are common access control models widely used in the commercial sector due to their focus on data integrity.
Common mistakes.
- B. The Clark-Biba model is not a standard or commonly recognized standalone access control model; it appears to be a conflation of the two distinct models.
- D. The Bell-LaPadula model is primarily a confidentiality-focused access control model, preventing unauthorized information flows from higher to lower classification levels. While important, its emphasis on confidentiality makes it more prevalent in military and government sectors than in the typical commercial sector where data integrity often takes precedence.
Concept tested. Access control models in commercial sector
Topics
#Access Control Models#Biba Model#Clark-Wilson Model#Commercial Sector Security
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