A threat source differentiates the potential of one facility to be attacked versus another in...

Targeting refers to the process by which a threat actor selects a specific facility or asset based on attractiveness, vulnerabilities, symbolic value, or opportunity. This helps differentiate why one location may be more likely to be attacked than another.

Motivation (B) refers to the reason behind the attack.

Collusion (C) involves cooperation between insiders.

Desire (D) is a psychological element, not an operational step.