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Data privacy for customer data platforms

Technical privacy controls for CDPs and MarTech: consent capture, purpose limitation, suppression, minimisation and privacy request handling.

Quick answer

Data privacy in a CDP is enforced by design: capture consent at collection, record purposes, apply suppression to audiences and activation, collect only what use cases need, and handle access and deletion requests through a tested process. This is technical guidance; your legal team confirms what the law requires.

Controls to design

  • Consent captured once and honoured everywhere.
  • Purpose recorded with each data use.
  • Suppression applied before activation.
  • Data minimisation and retention limits.
  • A tested process for access and deletion requests.

Test it

Run end-to-end tests: opt a test profile out, then confirm it disappears from audiences, journeys and destinations.

Laws differ by region and sector. Involve counsel and your privacy office in design reviews.

Frequently asked questions

Does a consent banner solve privacy?

No. It captures a choice; downstream systems must enforce it.

Who owns privacy in the programme?

Legal and privacy set policy; the platform team implements and evidences controls.

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