Data subject refers to any individual person who can be identified, directly or indirectly, via an identifier such as a name, an ID number, location data, or via factors specific to the person’s physical, physiological, genetic, mental, economic, cultural or social identity. In other words, a data subject is an end user whose personal data can be collected.

For the official GDPR definition of “data subject”, please see Article 4.1 of the GDPR.

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