Question
A company has the following specifications describing the functions that the users Alice, Bob, Charlie and John perform: User Functions Alice read account of Customer
A company has the following specifications describing the functions that the users Alice, Bob, Charlie and John perform:
User | Functions |
Alice | read account of Customer A |
Alice | read account of Customer B |
Alice | create project New Investment |
Alice | own application Invoice Management |
Alice | own application Customer Account |
|
|
Bob | read account of Customer A |
Bob | read account of Customer B |
Bob | write in project New Investment |
Bob | use application Customer Account |
|
|
Charlie | read account of Customer A |
Charlie |
read account of Customer B |
Charlie | use application Invoice Management |
Charlie | use application Customer Account |
|
|
John | read account of Customer A
|
John | read account of Customer B |
John |
use application Customer Account |
a) Define the set of subjects, objects, and rights, and build the Access Control Matrix for this company. b) Propose a RBAC (Role-Based Access Control) model with Role Hierarchy to specify the above access rights to improve maintainability.
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