Simple Security Firewall is awesome, because it is free, and because it works. By watching the logs I was shocked to see how many brute force attempts were being made on the login page and how many bots were out there attempting to hack my site. I now take the security of my site much more seriously than I used to, and have used this plugin’s resources to hide my login page, block suspicious requests on my site and know when unauthorized users are trying to access administrative options.