A Detailed Guide to the OWASP Top 10

Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Dive into the critical world of web and API security with this comprehensive guide to the OWASP Top 10 vulnerabilities. Whether you’re a seasoned professional or a beginner exploring cybersecurity, this course equips you with the knowledge and tools to identify, understand, and mitigate the most significant security risks to web applications and APIs. From access control to secure API consumption, you’ll gain the skills to safeguard your digital environment. The course begins with an overview of essential tools and foundational concepts, preparing you for an in-depth journey into OWASP’s Top 10 vulnerabilities. Each module is structured around a specific risk, explaining its mechanisms, real-world implications, and actionable prevention techniques. Interactive lessons and practical examples ensure you can apply these concepts directly to your projects. In the second half, we shift focus to the OWASP API Security Top 10 for 2023, delving into unique risks associated with APIs. From broken object-level authorization to server-side request forgery, these sessions emphasize modern API security practices, helping you protect critical data flows and services in today’s interconnected systems. Designed for developers, security professionals, and enthusiasts, this course assumes no prior cybersecurity expertise. A fundamental understanding of web development and APIs will help maximize your learning, but all key concepts are thoroughly explained. Start your journey today to become a security-conscious developer or IT professional!