Additionally, it is important to change admin username and your password if you are helped by someone and needs admin username and your password to login to do the work. Admin username and your password changes, after all of the work is complete. Someone in their company might not be, even if the person is trustworthy. Better to be safe than sorry!
If you don't have good protection on your site Documents can easily get lost. A few of those files may be saved in your computer and easily replaceable, but what about the rest of them? If you lose them the first time, where will you get them from again? Especially for sites which have been in operation for a very long time, fix hacked wordpress is very important. Often, long-term sites have a lot of data and have made a number of files. Recreating that all would be a nightmare, and not something any business owner wants to do.
The one I recommend, and the more powerful approach, is to use one of the password generation and storage plugins available for your browser. I believe after a free trial period, you have to Read Full Report pay for it, although Lots of people like RoboForm. I use the free version of Lastpass, and I recommend it for those of you who use Internet Explorer or Firefox. That will generate secure passwords for you.
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 will have the ability to read the document unless they've FTP or SSH access.
All-Rounder security plug-ins can be considered as a complete security checker. They give you information about the weaknesses of the website and scan and check the website.
Do not use wp_. That you can try this out default is being eliminated by web hosting providers now but if yours doesn't, fix wp_ to read the full info here anything else but that.