I have found a WordPress plugin which looks quite interesting. I am currently evaluating how it works, and whether it makes any difference. What it does is blocks access to your site from countries that are not listed as acceptable.
Why would you want to do that?
Hackers control things called Bot Nets. They are computers based all around the world. In many if not most cases the owners of those computers are unaware that they have been infiltrated. What a hacker may do with a compromised server is use it to launch attacks on other sites and servers.
With the security used on your sites there is a mechanism which will detect failed logins. If more than three failed logins occur over a set period (generally 30 minutes) the device that is attempting to login will be blocked for a period of time.
At the point the login is blocked another computer comes on line and attempts to login too, and so the process repeats itself. It is called a Brute Force Attack, they occur all of the time, and sometimes for extended periods of time. Continue reading IP Geo Block