Question

Which Bell-LaPadula property keeps lower-level subjects from accessing objects with a higher security level?

A. No read up property
B. No write up property
C. (star) Security Property
D. No read down property

Answer 1

The No read up property is the Bell-LaPadula property that keeps lower-level subjects from accessing objects with a higher security level.

Step-by-step explanation:

The Bell-LaPadula model is a security model used in computer systems to enforce confidentiality and integrity. It consists of several properties, one of which is the **No read up property**. This property states that a subject at a lower security level is not allowed to read information from an object at a higher security level.