This document discusses the shared responsibility model for cloud security between cloud providers and their customers. It explains that while cloud providers are responsible for security of the cloud, customers are responsible for security in the cloud, such as application design and data encryption. It provides an overview of the basic security controls and best practices for configuring infrastructure as code, logging, identity and access management, encryption, and compliance. The document emphasizes that customers should leverage the security capabilities provided by major cloud providers while also using third-party tools to customize their security approach.