Sucuri Inc. is a globally recognized authority in all matters related to website security, with specialization in WordPress Security. The Sucuri Security WordPress plugin is free to all WordPress users. It is a security suite meant to complement your existing security posture. It offers its users a set of security features for their website, each designed to have a positive affect on their security posture: Security Activity Auditing File Integrity Monitoring Remote Malware Scanning Blacklist Monitoring Effective Security Hardening Post-Hack Security Actions Security Notifications Website Firewall (premium)