In my opinion, the best way to make sure that your that is fix hacked wordpress is through the use of a WordPress backup plugin. This is a relatively inexpensive, easy and elegant to use way to make certain your website is accessible to you in the event of a disaster.
No software system is resistant to vulnerabilities and bugs. Security holes will be discovered and guys will do their best to exploit them. Keeping right here your software up-to-date is a good way once security holes are found because their products will be fixed by reliable software vendors.
Recently, the blog of Reuters was hacked by an unknown hacker and published a news article that was fake. Since Reuters is a news site, their reputation is destroyed because of what the hacker did. The same thing may happen to you in the event you don't pay attention.
Note that this step for new installations see here should try. You'll also need to change of the table names inside the database if you would like to get it done for existing installations.
There is another problem you have with WordPress. People always know where they can login and additionally they could visit your login form and try out a different combination of passwords and user accounts. In order to stop this from happening you need to set up Login Lockdown. It's a plugin that allows users to attempt to login with a password three times. After that the IP address will be banned from the server for a specific amount of time.