Shield Security - The most advanced and easy-to-use WordPress security plugin.
HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
iThemes Security - Security plugin that provides over 30+ ways to secure and protect your WordPress site.
Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...
Defender - Encompassing security solution for WordPress.
Trustwave Services - Trustwave is a leading cybersecurity and managed security services provider that helps businesses fight cybercrime, protect data and reduce security risk.