WP Security Ninja is a comprehensive WordPress security plugin that protects your site with over 50 vulnerability tests, firewall protection, malware scanning, login hardening, and integrity checks. It offers features like IP blocking, two-factor authentication, core file monitoring, event logging, and scheduled scans. A Pro upgrade adds real-time firewall, automated fixes, advanced malware cleanup, and white‑label options, making it suitable for both beginners and agencies.