Interactive publication
Back to the cataloguePrivacyCase 11 of 12
Sparse-audience suppression
Cells with too few users risk re-identification and must be suppressed or coarsened.
Class
Case to account for
Affects
2 conversions
01
Detection
Per-cell audience below k-anonymity threshold.
02
Mitigation
01
Suppress or roll up to a coarser resolution
02
Enforce minimum aggregation window
03
Affected conversions
PointH3
OPENRasterH3
OPENMore in Privacy
Consent-based precision reductionDeclared unit below the precise-location thresholdDevice trajectory exposureDifferential privacy noise calibrationHousehold-level targeting riskK-anonymity thresholdsMinimum aggregation windowRegional privacy restrictionsResolution degradation policySmall-cell re-identification riskTemporal leakage