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...
6Scan - 6Scan Security provides comprehensive enterprise-grade security with frequent site scans, powerful...
Horangi - Horangi is a leading cyber-security solution that provides instant response and threat detection for companies who lack the time and expertise to monitor their system.
Shield Security - The most advanced and easy-to-use WordPress security plugin.
PracticeProtect - Network security & identity management