Have you used Sucuri Security Free WordPress plugin?

[padmadevi]

Have you used Sucuri Security Free WordPress plugin?

[saiwebtech]

Sucuri is a very good security wordpress plugin and free.

It's features as follows:
Security Activity Auditing
File Integrity Monitoring
Remote Malware Scanning
Blacklist Monitoring
Effective Security Hardening
Post-Hack Security Actions
Security Notifications
Website Firewall (premium)