Apart from the search engine itself, Google includes many other services and platforms such as the video portal YouTube, the navigation service Google Maps, the app store Google Play, the email service Gmail, the browser Chrome, the photo service Picasa, the online data storage service Drive and many more. To make it easier to manage Google services, there is a central platform, namely the Google Account. Users can make cross-platform privacy and security settings in the Google Account. In this practical step-by-step guide to data protection, we show you the most important settings for secure use.