Module:
Reading source:
- https://www.drupal.org/security/secure-configuration
- https://www.drupal.org/module-categories/security
- Security advisories for contributed projects | Drupal.org
- 5 Security Modules That Every Drupal Website Must Have
- Essential Drupal security modules
- The Top 20 Drupal Security Modules
- Best Drupal security modules for security