Install the rename your login url to secure your wordpress website Firewall Plugin. This plugin investigates net requests with WordPress-particular heuristics that are straightforward to recognize and stop attacks that are obvious.
No software system is immune to bugs and vulnerabilities. Security holes will be discovered and guys will do their best to exploit them. Keeping your software up-to-date is a fantastic way to stave off attacks, because reliable software sellers will fix their products once security holes are found.
You first need to create a new user with administrator rights, 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 will need to enter.
As I (our untrue Joe the Hacker) know, people my blog have way too many usernames and passwords to remember. You've got Twitter, Facebook, your online banking, LinkedIn, two site logins, FTP, web hosting, etc. accounts which all Home Page include logins and passwords you need to remember.
I prefer using a WordPress plugin to get the work done. Just make sure is able to do copies, has restore and can clone. Also be sure it is frequently updated to keep pace. There is no use in backing up your data and not working.