Who holds resonponsibility for data security?

Data Steward

One of the data protection positions. A Data Steward is a subject-matter expert who has a thorough understanding of a specific data set. In accordance with the data governance principles established by the Data Owner, the Data Steward oversees the maintenance and implementation of the classification, protection, use, and quality of that data. Data Stewards are appointed to assist Data Owners in putting data policies into action.