Secure Software Design: Threat Modeling and Mitigations

Fixing security flaws after code is written is costly and inefficient, but addressing them during the design phase saves time and protects your users. Understanding how to visualize software architecture and anticipate potential threats is the foundation of secure system design. This course guides you through the process of analyzing software designs to uncover security vulnerabilities before a single line of code is written. You will transition from simply drawing system diagrams to actively modeling threats, evaluating risks, and applying robust engineering mitigations. What you'll learn: - Understand core security concepts, including the differences between threats, vulnerabilities, and risks. - Analyze software architecture diagrams to identify trust boundaries and potential attack vectors. - Apply threat modeling frameworks like STRIDE to systematically discover design flaws. - Design mitigation strategies based on secure-by-design principles and zero-trust concepts. - Evaluate architectural trade-offs between system usability, performance, and security. - Practice documenting security requirements and threat models for development teams. The journey begins with foundational security terminology and architectural visualization techniques. You will then progress to structured threat modeling exercises and practical mitigation strategies that align with modern software development workflows. This course is designed for aspiring software engineers, system architects, and developers who want to build a strong foundation in secure design. No prior experience in cybersecurity or threat modeling is required. Start reading today to build the skills needed to design inherently secure software systems.