Spring Security Authorization | Roles vs Permissions Explained

Описание: Authorization is one of the most important — and most confusing — concepts in Spring Security.

In this video, we deep dive into Spring Security Authorization and clearly explain the difference between Authentication and Authorization using a real-world Hotel Management System built with Spring Boot.

You’ll understand what is Authentication and Authorization, how they differ, and how Role Based Access Control and Permission Based Authorization actually work internally in Spring Security.
This video is part of my Spring Security series and focuses heavily on hands-on implementation, not just theory.

🎯 What you’ll learn in this video:
✔️ Difference between Authentication vs Authorization
✔️ Authentication and Authorization explained with real examples
✔️ Spring Security Roles and Permissions from scratch
✔️ Implement Role Based Access Control in Spring Boot
✔️ Add roles in User Entity and Database
✔️ Configure Spring Security Authorization using:
Request Matchers
@PreAuthorize
@PostAuthorize (Method Level Security)
✔️ Add roles inside JWT token (Spring Security JWT Authorization)
✔️ Understand hasRole vs hasAuthority
✔️ What is GrantedAuthority and how Spring uses it internally
✔️ Internal working of AuthorizationManager and its implementations
✔️ Roles vs Permissions — when to use what
✔️ Permission Based Authorization in Spring Boot
✔️ Common Spring Security Authorization Interview Questions

🏨 Real-World Example Used :
This video uses a Hotel Management Project to demonstrate:
1. Admin, Staff, and Guest roles
2. Role based API access
3. Permission based Authorization
4. Clean and scalable Spring Security configuration

🚀 Who should watch this?
1. Java & Spring Boot developers
2. Anyone learning Spring Security
3. Developers preparing for Spring Security interview questions
4. Developers confused about Authentication vs Authorization
5. Anyone building secure REST APIs with JWT

If you’re serious about mastering Spring Boot Security, Spring Security Authorization, and Method Level Security, this video will give you a rock-solid foundation.

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