By default, the latest version of WordPress is pretty darn secure. Anything which may have been added to some fix hacked wordpress database plugins has been considered by the development team of WordPress . Before, WordPress did have holes but now most of them are filled up.
A simple way to maintain WordPress safe is to use a few built-in tools. To begin with, do not allow people run a web host security scan, visit this web-site to list the documents in your folders and automatically backup your web hosting account.
Move your wp-config.php file one directory up from the WordPress root. WordPress will look for it there if it cannot be found in the root directory. Also, nobody else will be able to read the file unless they have SSH or FTP access.
You could get an SSL Encyption Security for your WordPress blogs. The SSL Security makes encrypted and secure communications with your site. You can also keep history of communication and the all of the cookies so that all transactions are listed. Make sure that all your blogs get SSL security for utmost protection.
These are only a few. Thing is they don't need much time to perform. These are simple try this website options, which can be carried out.