CDO

A privacy concept that states data collectors should only collect and retain the bare minimum of personal data that is necessary for the data processor to perform their duties, and should delete that data when it is no longer necessary.

Data in a standardized format, with a well-defined structure that is easily readable by humans and programs. Most structured data is typically stored in a database. Though structured data only comprises 20 percent of data stored worldwide, its ease of accessibility and accuracy of outcomes makes it the foundation of current big data research and applications.

This is a principle set forth in Article 5 of the GDPR. The principles listed in Article 5 are: Lawfulness, fairness and transparency; Purpose limitation; Data minimization; Accuracy; Storage limitation; Integrity and confidentiality.