Spanish Energy Firm Fined €10,000 for GDPR Consent Failures in Third-Party Marketing Data
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MÁS SOL ENERGÍA 15, S.L. made unsolicited marketing calls using personal data obtained from external providers without being able to demonstrate valid consent or a legitimate data source, directly violating GDPR Articles 6 and 13. The core failure was a lack of due diligence on the provenance and consent chain of third-party data before using it for direct marketing. This case highlights that purchasing or acquiring data from external brokers does not transfer GDPR liability — the data controller remains fully responsible for proving lawful basis. Organisations must treat third-party data suppliers as a compliance risk vector, not just a business convenience. Regulators are increasingly scrutinising 'claimed consent' via online forms, requiring demonstrable, auditable proof.
Tactical Insight
Immediate actions
- Audit all existing third-party data sources to verify documented, auditable consent records before conducting any further marketing communications.
- Suspend outbound marketing campaigns using externally acquired data until lawful basis and consent provenance can be formally verified.
Supply chain & vendor controls
- Require data suppliers to provide contractual guarantees, consent audit trails, and data processing agreements (DPAs) compliant with GDPR Article 28 before onboarding.
- Conduct periodic due diligence reviews of all third-party data providers, including sampling consent records for authenticity and recency.
Long-term compliance improvements
- Implement a consent management platform (CMP) that captures, timestamps, and stores granular proof of consent for every data subject used in marketing activities.
- Train marketing and procurement teams on GDPR lawful basis requirements, specifically the difference between claimed and demonstrable consent under Article 7.
- Establish a Data Protection Impact Assessment (DPIA) process triggered whenever new external data sources are onboarded for direct marketing use.