ते कुमारं परं परयोपतिष्ठेरन् ॥ कZ_०७.१७.३५ ॥
te kumāraṃ paraṃ parayopatiṣṭheran
They would attend upon the prince with increasing closeness, step by step (deepening access).
Because hostile actors often start with legitimate contact and incrementally expand access; controls must detect and limit such escalation.