Web Security Fundamentals: Session and Persistent Cookies

Every time you log into a website or save your preferences, web cookies are working behind the scenes. Understanding how these small data blocks function is essential for building secure, reliable web applications in today's threat landscape. This text-focused course guides you from the absolute basics of HTTP state management to the practical implementation of secure session and persistent cookies. You will gain a clear understanding of how cookies are transmitted, stored, and defended against modern web security exploits. What you'll learn: - Understand the fundamental differences between session and persistent cookies. - Configure essential cookie security flags including Secure, HttpOnly, and SameSite. - Analyze how browsers store and transmit cookies during HTTP requests. - Identify common cookie-related vulnerabilities like Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF). - Apply modern best practices for secure session management and token storage. You will begin with key terminology and the foundational mechanics of the stateless HTTP protocol before moving on to cookie anatomy, security configurations, and defense strategies. This course is designed for beginner web developers and security enthusiasts with no prior experience in web security required. Start reading today to build a stronger foundation in web security and user session management.