If you do not have good protection on your website, files can easily get lost. A few of those files might be stored on your computer and easily replaceable, but what about the rest of them? If you lose the first time to them where are you going to get them from again? Especially for sites which have been in operation for a long time, how to fix hacked wordpress site is very important. Long-term sites have created a number of documents and have a lot of data. Recreating all of that would be a nightmare, and not something any business owner wants to do.
The stronger approach, and the one I recommend, is to use one of the generation and storage plugins available for your browser. RoboForm is liked by people, but I think after a free trial period, you have to pay for it. I use the free version of Lastpass, and I recommend it for those of you who use Firefox or Internet Explorer. That will generate secure passwords for you.
Move your wp-config.php file one directory up from the WordPress root. WordPress will search for it if it cannot be found in the main directory. Also, nobody else will be able to read the document unless they have SSH or FTP access to your server.
In addition to adding a secret key to your wp-config.php file, also think about changing your user password into something that's strong and unique. WordPress will let you know the strength of your password, but a great idea is to avoid common phrases, use upper and lowercase letters, and include amounts. It's also check here a good idea to change your password regularly - say once every six months.
Do your homework and some searching, but if you are pressed for look at these guys time and want to get this try the WordPress security plugin that I use. It's a relief to know that my site (and company!) are secure.