The lattice-based model aims at protecting against:

A.
Illegal attributes.

B.
None of the choices.

C.
Illegal information flow among the entities.

D.
Illegal access rights

Explanation:
The lattice-based model aims at protecting against illegal information flow among the
entities. One security class is given to each entity in the system. A flow relation
among the security classes is defined to denote that information in one class can flow
into another class.