The determination of Physical Protection System (PPS) objectives begins with:

Determining the objectives of a Physical Protection System (PPS) begins with understanding the context—what needs to be protected, how the facility operates, what processes are in place, and what assets exist. This foundational understanding informs risk assessments and system requirements.

A (Risk analysis) comes after defining what’s being protected.

B (Budget) is important but not the starting point.

D (Business case) is an outcome, not an initial step.