데브허브 | DEVHUB | Spring Security Made EASY - From Zero to Hero in 10 Minutes!
Spring Security is one of the most powerful yet misunderstood parts of the Spring ecosystem. In this video, we break it down from scratch—covering everything from filters and the authentication flow, to JWT, OAuth2 login, CSRF protection, and CORS configuration. Whether you’re building your first secure Spring Boot app or refining your authentication layers, this is your all-in-one guide. Learn how to properly structure login systems, role-based access, and method-level security using annotations like @PreAuthorize. You'll also understand when to disable CSRF and how to fix CORS errors in real-world setups.
🔒 Want a deeper dive into OAuth2 or JWT? Check out these:
OAuth2 Deep Dive: • OAuth 2.0 explained with examples
JWT Simplified: • JSON Web Tokens (JWTs) explained with exam...
📌 Secure smarter. Code cleaner. Let’s go.
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Timestamps
00:00 Introduction – Why Spring Security Matters
00:57 What Is Spring Security? – Goals & Features Explained
01:40 Filters in Spring Security – JWT, Basic, OAuth2
03:05 Authentication Flow – UserDetailsService & PasswordEncoder
05:10 Building It: Dependencies, Setup & User Config
06:25 CSRF & CORS Explained – When to Disable for APIs
08:12 Annotations for Access Control – PreAuthorize & More
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#springsecurity #springmvc #springboot #java
