TL;DR Building secure applications requires a proactive approach that integrates security considerations from the outset of a project, rather than reacting to security incidents after they happen. By adopting Security by Design and Advanced Threat Mitigation principles, developers can reduce the risk of cyberattacks, protect sensitive data, and ensure compliance with regulatory requirements. Security by Design and Advanced Threat Mitigation: A Developer's Guide to Building Secure Applications As a full-stack developer, you understand the importance of building secure applications that can withstand the ever-evolving threat landscape.