This article discusses the importance of protecting applications in cloud environments and provides best practices to achieve this. It highlights the complexities of modern application architectures, such as microservices, and how they can be vulnerable to various security threats. The article emphasizes staying up-to-date on the latest threats, using threat modeling to identify vulnerabilities in an application's design, implementing validation and access controls at the application level, and creating an effective monitoring strategy. These practices help organizations build a comprehensive defense-in-depth strategy for their cloud applications.