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Data
Data Clean Room
A data clean room is a secure environment where two or more parties combine their data for mutually agreed uses without either party accessing the other's raw, user-level records. The IAB Tech Lab defines it as a secure collaboration environment that enforces strict data-access limits; results are returned only in aggregate, with minimum-match thresholds that prevent individuals from being re-identified. Walled gardens and retail-media networks (e.g., Google Ads Data Hub, Amazon Marketing Cloud) use clean rooms for privacy-safe measurement, audience overlap, and attribution.
Source: iabtechlab.com
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