Frontend Security - What Your Browser Is Quietly Protecting You From

The browser is doing more security work than you realize. Here's what happens when you accidentally get in its way. In this article we'll cover how XSS actually happens in real frontend codebases, how CSRF works and where the browser's default protections break down, how clickjacking works and how one header stops it, what Content Security Policy actually does and how to implement it without breaking your app, and the CORS misconfigurations that create vulnerabilities while feeling like security