rename your login url to secure your wordpress website Watch out form submissions. You can usethe information to be processed by Regexp from forms. You can even define preloaded variables as form data in the kind of checkboxes, radiobuttons etc..
There are numerous ways to pull off this, and many involve re-establishing much more and databases and FTPing files, exporting and copying. Some of them are very complicated, so it's imperative that you go for the right one. If you are not of the persuasion that is technical, then you may want to look into using a plugin for WordPress backups.
You should also place the"Anyone Can Register" in Settings/General to off, and you ought to have some sort of spam plugin. Akismet is the one I use, the old standby, but there are many of them these days.
You can also make a firewall that blocks hackers. The firewall prevents the hacker. You have a peek at this website also have to have version of Apache. Upgrade your PHP. It is essential that your system is full of upgrades.
Implementing all of the above will take less than an hour to finish, while creating your WordPress site considerably more immune to intrusions. Sites were cracked this past year, largely due to preventable security gaps. Have yourself prepared and you're likely to be on the safe side.