Data privacy by design is a strategy that primarily focuses on securing data through advanced encryption techniques and strict access controls, without necessarily integrating privacy considerations into the system's design phase.

Data privacy by design is a methodology that emphasizes improving data quality through rigorous validation and cleansing processes, overlooking the integration of privacy protections into the system's architecture.

Data privacy by design is a framework that ensures compliance with data protection laws by enforcing data retention policies and classification, but does not incorporate privacy considerations into the initial design of data systems.

Data privacy by design is a holistic approach that involves embedding privacy considerations and protections into the design and development of data systems and processes, ensuring privacy risks are addressed proactively from the outset.