Learn SPRING-SECURITY with Real Code Examples

Minimal overhead for typical web applications

Avoid heavy logic in filters for performance

Cache authentication info where appropriate

Leverage stateless JWT for scalable APIs

Profile filter chain for latency-critical endpoints

Always encode passwords

Enable HTTPS for transport security

Validate JWT/OAuth2 tokens properly

Apply CSRF protection for state-changing endpoints

Keep Spring dependencies updated

Audit authentication and authorization events

Monitor failed login attempts

Log security exceptions and anomalies

Integrate with SIEM tools if needed

Track API usage and access patterns

Follow Spring Boot and Java coding conventions

Unit test authentication and authorization logic

Integration test filter chain and SecurityContext

Keep custom filters modular and reusable

Use code reviews and static analysis for security