Jetpack - Jetpack offers SEO and security plugins for Wordpress.
Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
WP User Manager - The most customizable profiles, community builder and membership WordPress plugin
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
Project Panorama - Project Panorama is an elegant and reliable WordPress manager plugin that comes with exciting features and tools that will allow managing your multiple WordPress sites with ease.
BreachLock - BreachLock is a versatile platform that provides scalable and smooth penetration testing services for vulnerabilities.