Learn SPRING-SECURITY with Real Code Examples
Updated Nov 27, 2025
Performance Notes
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
Security Notes
Always encode passwords
Enable HTTPS for transport security
Validate JWT/OAuth2 tokens properly
Apply CSRF protection for state-changing endpoints
Keep Spring dependencies updated
Monitoring Analytics
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
Code Quality
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