Security Recommendations for myCRM

Implemented Security Measures

1. Authentication & Authorization

✅ Session-based authentication (stateless: false)
✅ Role-based access control (RBAC)
✅ API endpoints protected with is_granted() checks
✅ User can only edit own profile or requires ROLE_ADMIN
✅ System roles protected via SystemRoleProtection validator

2. Password Security

✅ Passwords hashed via Symfony PasswordHasher
✅ Plain passwords erased after hashing
✅ No passwords in serialization groups

3. XSS Prevention

✅ Vue.js automatic escaping
✅ No v-html or innerHTML usage
✅ All user input properly escaped

4. CSRF Protection

✅ Session-based API (SameSite cookies)
✅ credentials: 'same-origin' in fetch calls

Recommended Additional Measures

1. Rate Limiting

Consider implementing rate limiting for API endpoints:

composer require symfony/rate-limiter

Configuration example in config/packages/rate_limiter.yaml:

framework:
    rate_limiter:
        api_login:
            policy: 'sliding_window'
            limit: 5
            interval: '1 minute'
        api_general:
            policy: 'fixed_window'
            limit: 100
            interval: '1 hour'

2. HTTPS Only (Production)

Ensure HTTPS is enforced in production:

# config/packages/framework.yaml (when@prod)
framework:
    session:
        cookie_secure: true
        cookie_samesite: 'strict'

3. Content Security Policy

Add CSP headers via nelmio/security-bundle:

composer require nelmio/security-bundle

4. Input Validation

✅ Email validation (Symfony built-in)
✅ Required field validation
Consider adding: max length validation, sanitization

5. Audit Logging

Consider logging sensitive operations:

User creation/deletion
Role assignment changes
Permission modifications

6. Database Security

✅ Prepared statements via Doctrine (SQL injection protected)
✅ Unique constraints on email/role+module combinations
Consider: Database encryption for sensitive fields

7. Error Handling

Current: Errors exposed in dev mode Production: Ensure debug mode is disabled and errors are logged securely

Security Checklist for Deployment

Set APP_ENV=prod and APP_DEBUG=0
Enable HTTPS with valid SSL certificate
Set secure session cookie settings
Implement rate limiting
Set up security headers (CSP, X-Frame-Options, etc.)
Regular dependency updates (composer update)
Database backups configured
Error logging to secure location
Monitor authentication failures
Review and rotate secrets in .env

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