How does Zero Trust Security differ from outdated security practices?

How does Zero Trust Security differ from outdated security practices?
A . Zero Trust Security focuses on protecting the network perimeter and does not rely on user roles.
B . Zero Trust Security assumes every user needs basic network access instead of starting with a default deny posture.
C . Zero Trust Security relies on user input because network administrators can no longer be trusted completely.
D . Zero Trust Security focuses on protecting resources as opposed to network segments.

Answer: C