Organizations need to have a lawful basis for processing any personal data, and the data that subjects have the right to demonstrate their consent for processing their personal data. In case a customer contacts you directly through WhatsApp, it is a clear sign of affirmative action as per Article 4.11, and it shows that you have received their consent to process their personal data. For more information on WhatsApp GDPR, visit our website at https://www.telemessage.com/