Course 37 - Building Web Apps with Ruby On Rails | Episode 8: Mastering Sessions, Encrypted Cookies, and CSRF Protection

Course 37 - Building Web Apps with Ruby On Rails | Episode 8: Mastering Sessions, Encrypted Cookies, and CSRF Protection

Published: June 21, 2026

Duration: 18:49

In this lesson, you’ll learn about: session management, secure data storage, and protection against CSRF attacks in Ruby on Rails1. Understanding SessionsUsing Ruby on Rails:🔹 Definition:
Sessions allow the app to remember users across requests🔹 Example:
User logs in once → stays logged in while navigating👉 Key Insight
HTTP is stateless, so sessions provide continuity for user identity2. Managing Sessions in Application Controller🔹 Centralized control:
ApplicationController handles authentication globally🔹 Common helper methods:
current_user → returns the logged-in userlogged_in? → che...