This document discusses data privacy and the General Data Protection Regulation (GDPR). It begins with an overview of the context and definitions related to GDPR, including personal data, processing, controllers, processors, and data breaches. It then outlines 12 key principles of GDPR, such as accountability, consumer rights, privacy by design, information security, penalties, and data privacy officers. The document concludes by discussing some of the consequences of GDPR for companies and the methodology for complying with its requirements, including risk analysis, records of processing, and training.