Detector
In shortA built-in check for one kind of sensitive data, such as a card number, IBAN or health number.
Where it sits in EndLayer · step 6 of 7, decision
What it means
Many detectors confirm a match with a checksum, the same way a bank checks a card number, which cuts false alarms. A confidence threshold decides when a match may block.
Why it matters
Fewer false alarms means people keep trusting the warnings.