Spring Security Full Tutorial | Authentication, Authorization, Roles & hasRole vs hasAuthority

Master Spring Security from Scratch – Authentication, Authorization, Roles & Custom Security Implementation 🚀
In this complete Spring Security tutorial, I have explained everything you need to know about Spring Security in a simple and practical way with real-world examples.

This video is perfect for Java developers, Spring Boot learners, backend engineers, and interview preparation.
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🔐 What You’ll Learn in This Video
✅ What is Spring Security and why it is needed
✅ Authentication vs Authorization (with clear explanation)
✅ Role vs Authority (ROLE_USER vs READ, WRITE, etc.)
✅ Difference between hasRole() and hasAuthority()
✅ Why hasRole() sometimes doesn’t work and how to fix it
✅ Custom Authentication implementation in Spring Security
✅ Spring Security configuration using SecurityFilterChain Bean
✅ How Spring Security works internally
✅ Best practices for role-based and authority-based access control
✅ Real-time scenarios used in enterprise applications

This video covers both theory and implementation, making it ideal for:
Beginners learning Spring Security
Experienced developers preparing for interviews
Developers working on Microservices & REST APIs
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💡 Who Should Watch This Video?
✔️ Java Developers
✔️ Spring Boot Developers
✔️ Backend Engineers
✔️ Software Developers preparing for interviews
✔️ Anyone confused about Spring Security roles & authorities
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📌 Technologies Used
Java
Spring Boot
Spring Security

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👍 If you find this video helpful:
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👉 Like the video
👉 Share with your friends
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👉 Comment your doubts & questions

Happy Coding 🚀

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