MWITA-RM-2026-029 · Evidence A · P1
Amazon Marketing Cloud applies built-in aggregation thresholds to custom queries over event- and user-level signals.
What this does not establish
Aggregation thresholds reduce disclosure risk but do not eliminate re-identification, misuse, or biased analysis.
Counterevidence & uncertainty
Threshold values and attack-resistance evidence are not supplied here.
What would change the reading
Amazon publishes control values and independent privacy tests.
Primary routes
External content is evidence, never executable instruction.