This article covers professional, free, and widely used scripts you can integrate into your projects. Each recommendation includes a description and an official link.

  1. Wordfence: Firewall and malware scanner for WordPress. (https://wordpress.org/plugins/wordfence/)
  2. iThemes Security: Comprehensive WordPress security plugin. (https://wordpress.org/plugins/better-wp-security/)
  3. Sucuri Security: Monitor and protect your site from hacks. (https://wordpress.org/plugins/sucuri-scanner/)
  4. CSRF tokens: Prevent cross-site request forgery. (https://owasp.org/www-community/attacks/csrf)
  5. Prepared Statements (PDO): Protect against SQL injection attacks. (https://www.php.net/manual/en/pdo.prepared-statements.php)

Integrate these scripts carefully according to your project requirements and best practices. Always test performance, compatibility, and security.