You can purchase security plugins . There are many safety plugins out there that promises security for your own blog. One is known as repair hacked wordpress site Scan. This plugin continuously scans the system . It also updates the safety that the system can not be penetrated by new hackers.
There are many ways to pull this off, and many of them involve copying and FTPing files, exporting and re-establishing more and databases. Some of these are very complex, so it is important that you go for the right one. Then you may want to check into using a plugin for WordPress backups if you are not of the persuasion.
You first must create a user, before you can delete the default admin account. To do this go to your WordPress Dashboard and click on User -> Create New User. Then enter all of the information you need to enter.
Now it's time to sign up for a Facebook account and use Recommended Reading this person's name and identity. Once I get it all set up, I'll be telling you posing as your friend and asking you to be friends with me on Facebook (or Twitter, or whichever social site).
Using a plugin for WordPress security just makes sense. Backups will need to be performed on a regular basis. Don't become a victim of not being proactive as a result!