ABAP CDS Access Control
The concept name was not provided, so a precise definition cannot be produced. Based on the available sources, the topic relates to implementing read protection in SAP BTP, ABAP Environment — a mechanism developers use to prevent unauthorized read access to data exposed by their applications. Developers define and enforce authorization checks so that only users with the appropriate permissions can retrieve sensitive data. For more details, see the SAP BTP documentation on implementing a read protection.