Spring Boot Security Tutorial

Welcome to our comprehensive Spring Security tutorials page! Whether new to Spring Security or looking to deepen your understanding, you've come to the right place. Spring Security is an essential framework for securing Spring-based applications, offering robust authentication, authorization, and protection mechanisms against common security threats. 

In this tutorial collection, we explore Spring Security, from basic to advanced concepts, ensuring your Spring applications are secure and resilient against malicious attacks. With a focus on practical implementation, our tutorials are designed to guide you through configuring Spring Security in your projects, using a wide range of examples to illustrate best practices and effective security strategies.

You'll learn about different authentication mechanisms, including basic and form-based authentication, and how to implement them to protect your applications. Moving forward, our tutorials delve into more advanced topics, such as integrating Spring Security with databases for authentication, securing REST APIs, implementing role-based authorization, and using JWT (JSON Web Token) for stateless authentication. 

Additionally, we cover the essentials of securing traditional web applications using JSP and Thymeleaf with Spring Security, providing practical examples of login forms, user registration modules, and accessing user roles and details. 

Beyond the basics, our collection also addresses specific use cases and advanced security configurations, such as custom login pages, database authentication, JWT token-based authentication, and role-based authorization. With detailed walkthroughs and code examples, we aim to equip you with the knowledge and skills to implement robust security solutions tailored to your specific needs. 

By the end of this tutorial series, you'll have a solid understanding of Spring Security and how to apply it effectively to secure your Spring applications against threats and vulnerabilities. Whether you're working on a simple web application or a complex, enterprise-level system, our tutorials provide the insights and guidance needed to navigate the world of Spring Security confidently. 

Dive into our tutorials below to start securing your Spring applications today:

YouTube Video - Spring Security Tutorial Course

Spring Security - Core Concepts

Spring Security - Getting Started

Spring Security Role-based Authorization Tutorials

Spring Security JWT Tutorials

Spring MVC + Spring Boot  + Spring Security



  1. Hi Ramesh, Kundan Here
    I followed your tutorial for Spring Security Hibernate Database Authentication - UserDetailsService.I followed the exactly same step that you followed in your you tube channels and java guides blogs. I faced one exception which is "org.springframework.security.authentication.InternalAuthenticationServiceException: query did not return a unique result: 3; nested exception is javax.persistence.NonUniqueResultException: query did not return a unique result: 3". I am providing the right user name & password in jsp login page but the login page is fetching the error message "invalid user name & password".Please ramesh help me.looking for your reply.

  2. if you dont mind I can share my code to your gmail account


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