If parts of your database were to simply disappear viable would your website or business be ? Let's look at what you will need to do to implement rename your login url to secure your wordpress website cloning, and how it can help your overall WordPress security .
You can look for software that will backup your files and database. It is easy to restore your website by means of your backup files and change everything that has to be changed, if hackers abruptly hack your site.
Yes, you want to do regular backups of your site. I recommend at least a weekly database backup and a monthly "full" backup. More. Definitely, if you make additions and changes to your website. If you make changes multiple times every day, or have a community of people which are in there all the time, a backup should be a minimum.
You could get an SSL Encyption Security to your WordPress blogs. The SSL Security makes secure and encrypted communications with your blog. You may even keep history of communication and the all the cookies so that all transactions are recorded. Make sure all your blogs get SSL security for utmost protection.
Change your password, frequently, look at here or your WordPress password and admin username and collect and utilize good WordPress security tips to keep hackers out!