Learn SYMFONY-SECURITY with Real Code Examples

Caching user roles and permissions improves performance

Use built-in session handling for efficiency

Minimize complex voter logic in high-traffic endpoints

Leverage stateless authentication for APIs (JWT)

Avoid excessive database calls in user providers

Always hash passwords using modern encoders

Enable CSRF protection for forms

Use HTTPS for secure transmission

Apply least-privilege principle for roles

Regularly update Symfony and dependencies

Security logs for login/logout events

Monitor firewall activity

Track failed login attempts

Integrate Monolog for custom alerts

Use metrics for API authentication performance

Follow Symfony and PHP coding standards

Use unit and functional tests for security

Separate configuration from code

Keep voters and authenticators modular

Use code reviews and static analysis tools