Web Security Fundamentals: Test Your Knowledge on Vulnerabilities and Preventions

In today's digital landscape, writing functional code is no longer enough—it must also be secure. This course helps you identify critical security gaps in web applications and teaches you how to fix them before they can be exploited. By working through clear explanations and structured self-assessment scenarios, you will learn to spot flaws and implement industry-standard defenses. \n\nWhat you'll learn:\n- Understand foundational security terminology and the mechanics of common web attacks\n- Identify and mitigate Cross-Site Scripting (XSS) and SQL injection risks in your applications\n- Secure modern framework features, including React escape hatches and safe rendering practices\n- Implement robust input validation and sanitization strategies to block malicious payloads\n- Audit and manage third-party dependencies to prevent supply-chain vulnerabilities\n- Evaluate your defensive coding skills through practical, text-based scenarios and self-assessment challenges\n\nThis course begins with essential security definitions and core concepts before guiding you through real-world vulnerability patterns and modern defensive strategies. It is designed for beginner developers, software QA professionals, and aspiring security enthusiasts who want a solid foundation in web security without any complex prerequisites. Start building more secure software today.