I back up my blogs using a free plugin WP DB Backup. If anything happens I will restore my website. I use my site to be scanned by WP Security Scan free plugin frequently and asks that are suspicious-looking this post to be blocked by WordPress Firewall to fix wordpress malware virus.
Safeguard your login credentials - Do not keep your login credentials where they might be found by a hacker. Store them offsite, and even offline. Roboform is good for protecting them, also. Food for thought!
You first need to 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. Enter all of the information you will need to enter.
If you aren't currently running the get more latest version of WordPress, upgrade. Leaving your site in an old version is similar to keeping your door unlocked when you leave for vacation.
Free software: If you've installed free scripts such as Wordpress, search Google for'wordpress security'. You will get tips on the best way to make your WP blog protected.