wordpress is CMS an open source category blog most popular in the world, and many of the hacker/cracker target CMS wordpress based site for their hack. This is easy to do because they display the uniform wordpress admin login is wp-admin (different from joomla that can be changed during installation). Therefore if hackers have found a loophole vuln/bugs on their wordpress cms easy to do hacking on your site. Time you our services, which will hide the url/wp-admin and we replaced it with another url (eg: login,fiver,and other)