Theoretically, could the Bell-Lapaluda security model be implemented with the Biba integrity model in an Operating System? Or do are they mutually exclusive? [Edit: Follow up from this question on ...
On Unix based systems, I'm often prompted to enter my password before installing or running a program. Why does this protect me? If I'm running a kiosk, I understand that a password might prevent ...
What does User Account Control on Windows offer in terms of security? It's just an extra click to potentially run a virus.
I am implementing the Role-Based Access Control (RBAC) model security system and I have a dilemma: one User1 is in Role1 and is in Role2. Role1 allows access to the Resource1 and Role2 denies access ...
What are the benefits of each, and when should I choose one over the other? Are there situations where these should be merged? Do you have examples of common usages? And what about MAC, where ...