Six years have passed since the General Data Protection Regulation (GDPR) entered into force. With its numerous data protection obligations and the threat of fines of up to 20 million euros, companies operating within the European Union and/or targeting EU individuals have had to change their approach to data protection. It has been an ongoing challenge for companies to keep up with the constant changes deriving from a plethora of new decisions aby courts and supervisory authorities. The 2nd Edition of this book provides a practical overview of the requirements of the GDPR. Examples, tables, a checklist etc. Showcase the practical consequences of the GDPR, whilst also giving practical tips to tackle the regulatory challenges. The handbook examines the GDPR's scope of application, the organisational and material requirements for data protection, the rights of data subjects, the role of the supervisory authorities, and enforcement and fines under the GDPR. It contains numerous practical tips and examples as well as a compact overview of the data protection requirements for selected processing situations of practical relevance, such as Cloud Computing, Big Data and Artificial Intelligence. The book has been completely revised for the second edition and takes extensive account of new data protection case law and the supervisory authorities' guidelines.