You can purchase security plugins . There are many security plugins out there that promises security for your own blog. One is known as secure your wordpress site Scan. This plugin continuously scans the system . It also updates the safety that the system can not be penetrated by hackers.
Hackers do not have the capability when you got all these lined up for your security to come to a WordPress blog. You can have a secure WordPress account especially that one which provides big bucks from affiliate marketing to you.
One thing you can take is to delete the default administrator account. This is important because if you do not do it, malicious user know a user name which they could try to crack.
Now we're getting into things specific to WordPress. Whenever you install WordPress, you have to edit the file config-sample.php and rename it to config.php. You need to install the database details there.
These are some of the things I do to secure my blogs. Thing is they don't require much time to perform. These are also easy options, which can be my site carried out easily.