Shield Security - The most advanced and easy-to-use WordPress security plugin.
ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
Defender - Encompassing security solution for WordPress.
RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems
iThemes Security - Security plugin that provides over 30+ ways to secure and protect your WordPress site.
Netumo - Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.