the.com/undetected
The art of being there without anyone filing the paperwork to prove it.
means Present, active, or guilty but never noticed, caught, or measured by anyone watching.
from From Latin detegere, to uncover or strip the roof off, prefixed by un- to put the roof firmly back on.
Survivor biasThe best-undetected things are by definition never counted.
Medical useDrives the U=U rule: undetectable means untransmittable.
Self-defeatingAnnouncing you went undetected ends the streak instantly.