Learn SPRING-SECURITY with Real Code Examples

Spring Security is open-source (Apache 2.0 license)

Enterprise support via Pivotal and consulting partners

Reduces security breach costs

Integrates with commercial identity providers

Enhances trust in enterprise applications

Improved OAuth2 and JWT support

Better integration with reactive Spring WebFlux

Simplified configuration patterns

Enhanced testing utilities

Continued support for modern security standards

For extremely simple apps with no authentication

For lightweight microservices needing minimal security

When team lacks Java/Spring expertise

Rapid prototypes where overhead is unwanted

Non-Java projects where Spring cannot be used

Spring Security is a robust Java security framework for authentication and authorization.

Integrates deeply with Spring Boot and MVC applications.

Supports modern auth standards like JWT, OAuth2, and SAML.

Provides filter chain, method-level security, and CSRF protection.

Widely used in enterprise and API-driven applications.

Is Spring Security open-source? -> Yes, Apache 2.0 license.

Does it support OAuth2? -> Yes, full support.

Can it secure REST APIs? -> Yes, with JWT or OAuth2.

Does it handle CSRF protection? -> Yes, built-in.

How to debug security issues? -> Use logs, test filters, verify SecurityContext.