Talking about the different approaches to security in computing, the principle of regarding the
computer system itself as largely an untrusted system emphasizes:
None of the choices.
There are two different approaches to security in computing. One focuses mainly on external
threats, and generally treats the computer system itself as a trusted system. The other regards the
computer system itself as largely an untrusted system, and redesigns it to make it more secure in
a number of ways.
This technique enforces the principle of least privilege to great extent, where an entity has only the
privileges that are needed for its function.