Security should never rely solely on a WordPress plugin. True resilience begins at the server, web server (Nginx/OpenLiteSpeed), and DNS firewall layers.
Essential Infrastructure Hardening
Disabling XML-RPC endpoints, blocking direct PHP execution within wp-content/uploads/, and enforcing strict Content Security Policy (CSP), HSTS, and X-Frame-Options headers prevent 99% of automated credential stuffing and malicious injection attempts before they reach PHP.
Continuous Defense
Coupling server-side rate limiting with proactive database backups and automated integrity scans provides enterprise peace of mind without impacting page delivery speeds.